Which type of triangle contains one 90° angle?

1 Answer

Answer :

right angle

Related questions

Description : PQRS is a square. A is a point on PS ,B is a point on PQ,C is a point on QR. ABC is a triangle inside square PQRS. Angle abc = 90° . If AP=BQ=CR then prove that angle BAC =45° -Maths 9th

Last Answer : This is the sketch of the question but its hard to answer.

Description : PQRS is a square. A is a point on PS ,B is a point on PQ,C is a point on QR. ABC is a triangle inside square PQRS. Angle abc = 90° . If AP=BQ=CR then prove that angle BAC =45° -Maths 9th

Last Answer : This is the sketch of the question but its hard to answer.

Description : Which type of triangle has three angles with measures less than 90°?

Last Answer : acute angle

Description : Bisectors of angles A, B and C of a triangle ABC intersects its circumcircle at D, E and F respectively. Prove that angles of triangle DEF are 90° - A/2, 90° - B/2 and 90° - C/2. -Maths 9th

Last Answer : We have ∠BED = ∠BAD (Angles in the same segment) ⇒ ∠BED = 1/2∠A ...(i) Also, ∠BEF = ∠BCF (Angles in the same segment) ⇒ ∠BEF = 1/2∠C ...(ii) From (i) and (ii) ∠BED + ∠BEF = 1/2∠A + 1/2∠C ∠DEF ... ∠A + ∠C) ⇒ ∠DEF = 1/2(180° - ∠B) (Since, ∠A + ∠B + ∠C = 180°) ⇒ ∠DEF = 90° - 1/2∠B

Description : Diagonals AC and BC of parallelogram ABCD Intersect at point O. Angle BOC=90° and BDC=50°.find angle OAB. -Maths 9th

Last Answer : NEED ANSWER

Description : Diagonals AC and BC of parallelogram ABCD Intersect at point O. Angle BOC=90° and BDC=50°.find angle OAB. -Maths 9th

Last Answer : Its given ABCD is a IIgram and AC and BD are its diagonals intersecting at point O. . Given : angle BOC = 900 angle BDC = 500 To find : angle OAB Answer : i) ...

Description : A chord of a circle of radius 20 cm subtends an angle of 90° at the centre. Find the area of the corresponding major segment of the circle. -Maths 10th

Last Answer : Area of the minor segment = { pi × 90 /360 - sin 45 × cos 45 } × r × r ={ 3.14 ×1/4 - 1÷√2 ×1÷√2 } × 20 × 20 = { 3.14 ... Area of major segment = area of circle - area of minor segment = 1256 - 114 = 1142 HOPE IT HELPS YOU

Description : is this statement true or falsePerpendicular lines are two lines that intersect at a 90° angle.?

Last Answer : 1

Description : what-Norman was asked 2 prove that all right angles r congruent. He was provided a diagram with several right angles. Norman measured each angle with a protractor & found that they each measured 90°.?

Last Answer : He wrote“These angles all measure 90° so by the definition of congruent angles theyr congruent.Look at the statement Norman was asked to prove and decide which word his proof did not address:All right angles are congruent.

Description : What is the hypothesis of the conditional statementAn angle is obtuse if its measure is greater than 90°.?

Last Answer : The measure of an angle is greater than 90°.

Description : If the angle of incidence formed on a concave mirror at a point is 30° then the angle of reflection will be: (1) 15° (2) 30° (3) 60° (4) 90°

Last Answer : (2) 30° Explanation: The angle between the incident ray and the normal is known as the angle of inci dence. The angle between the reflected ray and the normal is known as the angle of reflection.

Description : A white ball of mass 1.0 kg moving with initial speed u = 0.5 m s-1 collides with stationary red ball of same mass, they move forward making angle of 90° between their paths. Their speed is A. 1 m s-1 B. 0.354 m s-1 C. 2 m s-1 D. 3 m s-1

Last Answer : 0.354 m s-1

Description : In case of full journal bearing, the angle of contact of the bushing with the journal is (A) 60° (B) 90° (C) 180° (D) 360°

Last Answer : (D) 360°

Description : Projectile will attain its maximum range, if it is fired at an angle of A. 30° B. 47° C. 90° D. 45°

Last Answer : 45°

Description : The helix angle for double helical gears may be made up to (A) 45° (B) 60° (C) 75° (D) 90°

Last Answer : (A) 45°

Description : At what value of crank angle (roughly), no flow of water from or into the air vessel takes place in case of a double acting reciprocating pump? (A) 40° and 140° (B) 45° and 60° (C) 90° and 80° (D) 20° and 120°

Last Answer : (A) 40° and 140

Description : The bond angle between carbon atoms in cyclohexane is (a) 60° (b) 90° (c) 109.5° (d) 120°

Last Answer : 109.5°

Description : The bond angle between carbon atoms in cyclohexane is (a) 109°28' (b) 60° (c) 90° (d) 120°

Last Answer : 109°28'

Description : Which of the following is closest to the C–O–C bond angle in CH3–O–CH3? (a) 180° (b) 120° (c) 109.5° (d) 90°

Last Answer : 109.5°

Description : The H–C–H bond angle in ethylene is (a) 60° (b) 120° (c) 90° (d) 180°

Last Answer : 120°

Description : A traverse deflection angle is  (A) Less than 90°  (B) More than 90° but less than 180°  (C) The difference between the included angle and 180°  (D) The difference between 360° and the included angle 

Last Answer : (C) The difference between the included angle and 180° 

Description : The angle of intersection of a contour and a ridge line, is  (A) 30°  (B) 45°  (C) 60°  (D) 90° 

Last Answer : (D) 90° 

Description : If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is (A) 30° (B) 60° (C) 90° (D) 120°

Last Answer : D

Description : ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is (A) 90° (B) 120° (C) 210° (D) 270°

Last Answer : (C) 210°

Description : A lemniscate curve will not be transitional throughout, if its deflection angle, is (A) 45° (B) 60° (C) 90° (D) 120°

Last Answer : (A) 45°

Description : An angle of deflection right, may be directly obtained by setting the instrument to read (A) Zero on back station (B) 180° on back station (C) 90° (D) 270° on back station

Last Answer : (A) Zero on back station

Description : A member is balanced at its end by two inclined members carrying equal forces. For equilibrium  the angle between the inclined bars must be  (A) 3°  (B) 45°  (C) 90°  (D) 120° 

Last Answer : (D) 120° 

Description : If the shearing stress is zero on two planes, then the angle between the two planes is (A) 45° (B) 90° (C) 135° (D) 225°

Last Answer : Answer: Option B

Description : The angle between the directions of the failure and the major principal plane, is equal to (A) 90° + effective angle of shearing resistance (B) 90° + half of the angle of shearing resistance (C) 45° - half of the angle of shearing resistance (D) 45° + half of the angle of shearing resistance

Last Answer : Answer: Option D

Description : What is the value of included angle of a triangular notch for maximum discharge? (A) 30° (B) 60° (C) 90° (D) 120°

Last Answer : (C) 90°

Description : Critical angle of electromagnetic radiation takes place if (A) Angle of incidence is equal to angle of refraction (B) Angle of incidence is greater than the angle of refraction (C) Angle of incidence is equal to 90° (D) Angle of refraction is equal to 90°

Last Answer : Answer: Option D

Description : Maximum number of vehicles can be parked with (A) Parallel parking (B) 30° angle parking (C) 45° angle parking (D) 90° angle parking

Last Answer : Answer: Option D

Description : When the width of car parking space and width of street are limited, generally preferred parking system is (A) Parallel parking (B) 45° angle parking (C) 65° angle parking (D) 90° angle parking

Last Answer : Answer: Option A

Description : A ship strikes the berth generally at an angle (A) 90° with the face of the dock (B) 45° with the face of the dock (C) 30° with the face of the dock (D) 10° with the face of the dock

Last Answer : (D) 10° with the face of the dock

Description : If the output of a dragline for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be (A) Equal to X (B) More than X (C) Less than X (D) Any of the above

Last Answer : (C) Less than X

Description : Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is (A) 0° (B) 30° (C) 45° (D) 90°

Last Answer : Answer: Option D

Description : What Two angle measures of this triangle are 60 and deg. Which type of triangle is it?

Last Answer : An equilateral triangle would fit the given description

Description : What type of triangle has side measures of 6 cm 7 cm and W cm and one angle with a measure of 120?

Last Answer : It is an obtuse angled triangle.

Description : What type of triangle has side measures of 6 cm 7 cm and W cm and one angle with a measure of 120?

Last Answer : It is an obtuse angled triangle.

Description : What Two angle measures of this triangle are 60 and deg. Which type of triangle is it?

Last Answer : An equilateral triangle would fit the given description

Description : Which type of triangle contains three congruent angles?

Last Answer : equiangular triangle

Description : Why do sine and cosine have values at 90° and 0°?

Last Answer : There is no premise that a trigonometric function can only be applied in a right triangle. How would it be possible to talk about trigonometric functions of angles greater than 180? Sine and cosine are simply ... projection, its cosine is zero. Similarly, for the sine of a 90 degree angle being 1.

Description : The degree measure of Prime Meridian is - (1) 90° (2) 180° (3) 0° (4) 360°

Last Answer : (3) 0° Explanation: A prime meridian is a meridian (a line of longitude) in a geographic coordinate system at which longitude is de fined to be 0°.

Description : What is the International Date Line? (1) It is the equator (2) It is the 0° longitude (3) It is the 90° east longitude (4) It is the 180° longitude

Last Answer : (4) It is the 180° longitude Explanation: The International Date Line (IDL) is an imaginary line on the surface of the Earth, that runs from the north to the south pole and demarcates ... Ocean, roughly following the 180° longitude but it deviates to pass around some territories and island groups.

Description : One important difference between wye-connected and delta-connected generators is that delta connections have ____________. A. line voltages equal to the vector sum of the phase voltages B. phase voltages 90° ... C. line current equal to the phase current D. line voltage equal to the phase voltage

Last Answer : Answer: D

Description : In inverting amplifier, the phase difference between input and output voltages must be A. 30° B. 45° C. 90° D. 180°

Last Answer : 180°

Description : For non-inverting amplifier the input and output is A. out of phase B. in phase C. have phase difference of 180° D. have phase difference of 90°

Last Answer : in phase

Description : 1 rad is equal to A. 57.3° B. 54° C. 45° D. 90°

Last Answer : 57.3°

Description : Number of degree a complete circle represents is A. 90° B. 180° C. 270° D. 360°

Last Answer : 360°

Description : Phase difference between a node and an antinode is A. 90° B. 45° C. 180° D. 360°

Last Answer : 180°