Description : The area of a square and circle is same and the perimeter of square and equilateral triangle is same, -Maths 9th
Last Answer : (b) 9 : 4√3.Let each side of the square = a cm. Then, Area of square = a2 cm2 Also, let r be the radius of the circle. Then, πr2 = a2 Let each side of the equilateral triangle = b cm. Then 3b = 4a ⇒ ... ratio between area of circle and area of equilateral Δ is a2 : \(rac{4\sqrt3a^2}{9}\) = 9 : 4√3.
Description : Perimeter of the rhombus is 100 m and its diagonal is 40m. Find the area of rhombus. -Maths 9th
Last Answer : Perimeter of rhombus =4 side ⇒ 100=4 side ⇒ side= 4 100 ⇒ side=25 We know diagonals of a rhombus divides the rhombus in two equilateral triangle. Now, we are going to find area of 1 equilateral triangle. Semi perimeter = ... ) = 45 5 20 20 = 90000 =300m 2 ⇒ Area of rhombus =2 300m 2 =600m 2
Description : The length of ——ab (the minor arc) is 40 cm. What is the circumference of circle c inside angle is 60 degrees?
Last Answer : s = 2 π r (θ/360°), C = πr^240cm = 2πr(1/6)(40*6)/2π = rr = 38.1972cmC = π*(38.1972)^2C = 4,583.66 cm
Description : How is the circumference of a circle related to the length of its diameter?
Last Answer : asd
Description : If the perimeter of a circle is equal to that of a square, then the ratio of their areas is (a) 22:7 (b) 14:11 (c) 7:22 (d) 11:14
Last Answer : (b) 14:11
Description : The area of a circle is 154 sq cm. Its circumference is a) 44cm b) 88cm c) 154cm d) 176cm e) 164 cm
Last Answer : a) 44cm
Description : A rhombus shaped sheet with perimeter 40 cm and one diagonal 12 cm, is painted on both sides at the rate of Rs. -Maths 9th
Last Answer : Cost of painting =
Description : What is the area of a circle whose circumference is 8π?
Last Answer : Using 3.14 as Pi the area of circle is: 0
Description : What is area of a circle if circumference equals pi divided by 2?
Last Answer : Area of a circle is: pi times radius squared
Description : If the circumference of a circle measures 1.5 pi cm what is the area of the circle in terms of pi?
Last Answer : circumference = 2πr→ r = circumference/2πarea = πr²= π(circumference/2π)²= circumference²/4π= (1.5π cm)²/4π= (3π/2 cm)²/4π= (9π²/4)/4π cm²= 9π/16 cm²= 0.5625π cm²
Description : The ratio of the area to the xircumference of a circle is 5/4. What is the circumference of the circle?
Last Answer : 1.25
Description : What is the radius of the circle/ I.Ratio of its area to circumference is >7. II.Diameter of the circle is ≤ 32. If the question can be answered with the help of statement I alone, If ... the statements. If the data in either statement I or statement II alone is sufficient to answer the question.
Last Answer : Let the radius of the circle be r units From statement 1: [πr^2]/ [ 2 πr ] > 7 or r > 14 From statement II: 2r≤32 R ≤ 16 Hence, r can be 15 or 16 units Hence, Answer : d
Description : Develop a program to find diameter, circumference and area of circle using function.
Last Answer : #include<stdio.h> #include<conio.h> void circle(float r) { float diameter,circumference,area; diameter=2*r; printf("\n Diameter=%f",diameter); circumference=2*3.14*r; printf ... :"); scanf("%f",&radius); circle(radius); getch(); }
Description : Mark correct option related to bulk bag system under foreign post a) Application for bulk bag facility should be made to Head of the circle b) Special bags of printed newspaper to/from addressees/sender in ... in cash or POSB certificate pledged to Head of the circle. e) All the above are correct
Last Answer : e) All the above are correct
Description : Mark correct option a) Pink check slip for ordinary paid and unpaid bundle b) Blue check slip for Airmail c) White check slip for both express & differed bundle d) Marked 2 diagonal line green for local article, yellow for rajdhani & blue for metro bundle e) All the above
Last Answer : e) All the above
Description : what- the perimeter of a square patch of mulch, in feet, has the same number of units as the area in square feet.What is the length of a side of the mulch patch?
Last Answer : 4 ft.
Description : Four equal sized maximum circular plates are cut off from a square sheet of area 784 cm2. What is the circumference of each plate? a) 22 cm b) 44 cm c) 42 cm d) 40cm
Last Answer : b) 44 cm
Description : (i) The radius of a circle is increasing at the rate of 5 cm/sec. Find the rate of increasing of its perimeter. (ii) If the area of a circle increases
Last Answer : (i) The radius of a circle is increasing at the rate of 5 cm/sec. Find the rate ... to its circumference is iversely proportional to its radius.
Description : The diagonal of a square is 10cm. Find its area. -Maths 9th
Last Answer : Solution :-
Description : The diagonal of a square A is (a + b). The diagonal of a square whose area is twice the area of square A is. -Maths 9th
Last Answer : (c) (a+b)√2.Area of new square = 2 (Area of the square A)= \(2 imesrac{ ext{(diagonal)}^2}{2}=2 imesrac{(a+b)^2}{2}= (a+b)^2\)∴ Each side of new square = (a + b) ⇒ Diagonal of new square = side √2 = (a+b)√2.
Description : The curved surface of a cylinder is developed into a square whose diagonal is 2√2 cm. The area of the base of the cylinder (in cm^2) is -Maths 9th
Last Answer : answer:
Description : A square has a perimeter of 20 cmWork out its area?
Last Answer : 20cm/4sides = 5cm5cm*5cm = 25cm^2
Description : What is the area of a square if its perimeter is 28 cm?
Last Answer : The area of square is : 784.0
Description : if 16times the area of a square (A) is equal to the perimeter (P) f the square, then A is ______.
Last Answer : if 16times the area of a square (A) is equal to the perimeter (P) f the square, then A is ______.
Description : If the perimeter of a square is 8x plus 6 what is its area?
Last Answer : Each side of the square is 2x+1.5 and its area is (2x+1.5)squared
Description : What is the perimeter if The area of a square sandbox is 83sqft?
Last Answer : 4 times the square root of 83 feet
Description : What is the area of a square with a perimeter of 56?
Last Answer : The area of square is : 3136.0
Description : What is the area of a square if the perimeter is 32cm?
Last Answer : The area of square is : 1024.0
Description : How do you find the area and perimeter of a square whose side is given?
Last Answer : A square would have four sides of the same length. A square measuring 6 inches by 6 inches would have a perimeter of (6 + 6) x 2 = 24 inches in total. Which is the same as 6 + 6+ 6+ 6 = 24 linear inches.The area is length times width. So 6 x 6 = 32 square inches.
Description : What is the area of a square with a perimeter of 48 mm?
Last Answer : The area of square is : 2304.0
Description : What is the area and perimeter of a square with sides 18 inches?
Last Answer : Area of square: 324 square inches Perimeter of square: 72 inches
Description : Julia jogged along the perimeter of a park. The area of the park is 12 square miles, and the width of the park is 3 miles. How many miles did she jog?
Last Answer : 36
Description : Hydraulic radius is the ratio of (A) Wetted perimeter to flow area (B) Flow area to wetted perimeter (C) Flow area to square of wetted perimeter (D) Square root of flow area to wetted perimeter
Last Answer : (B) Flow area to wetted perimeter
Description : What is the area and perimeter of a scalene triangle when angle 75 degrees is opposite to side 25cm with another angle of 42 degrees?
Last Answer : Using the sine rule in trigonometry its area is 192.885 squarecm and its perimeter is 65.379 cm both rounded to three decimalplaces.
Description : What is the area and perimeter of a trangle that has equal sides when its apex angle of 15.75 degrees is opposite to base 5.75 cm?
Last Answer : Using trigonometry the area of the isosceles triangle 60 squarecm and its perimeter is 48 cm both rounded to the nearestinteger
Description : How do you work out the centre of a circle when you only know 4 points on it's circumference?
Last Answer : You only need 3 points to find the center. Here is a hint. The perpendicular bisector of any chord of a circle goes through the center. If you need more help, I will provide it.
Description : Circumference of circle ? -Maths 9th
Last Answer : Circumference of circle is - 2πr
Description : find the circumference of a circle 5ft radius?
Last Answer : 20
Last Answer : circle circumference = 2 pi r . Pi = 3.1416 .
Last Answer : of the circle Range To length Circumference Says.
Description : When the circle has a diameter of 12.5 cm. What will be its perimeter? Thank you
Last Answer : pi x average 3.14159 x 12.5 = 39.27
Description : What is the circumference of a circle with a diameter of 40 millimeters.?
Last Answer : 125.66 mm
Description : What is the diameter of a circle with a circumference of 12.25?
Last Answer : Diameter of circle: 12.25/pi = 3.899 rounded to 3 decimalplaces
Description : What will happen if the diameter of the circle doubles how will the circumference change?
Last Answer : The circumference also doubles.
Description : What is the tangent line equation of the circle 2x2 plus 2y2 -8x -5y -1 equals 0 at the point 1 -1 on its circumference?
Last Answer : Circle equation: 2x^2 +2y^2 -8x -5y -1 = 0Divide all terms by 2: x^2 +y^2 -4x -2.5y -0.5 = 0Completing the squares: (x-2)^2 +(y-1.25)^2 = 6.0625Center of circle: (2, 1.25)Point of contact: (1 ... 9Tangent equation: y--1 = -4/9(x-1) => 9y = -4x -5Tangent line equation in its general form: 4x+9y+5 = 0
Description : If a circle has a circumference of 132 inch what is the diameter?
Last Answer : Diameter of circle: 132/pi = 42 inches rounded to the nearestwhole number