Coniferous trees are conical in shape. -SST 10th

Coniferous trees are conical in shape. -SST 10th
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They adopted to withstand large and heavy snowfalls and shed snow easily without bleaking limbs or some of them also have very thick bark to protect them from fire .
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Last Answer : Solution: Height of conical tent, h = 8m Radius of base of tent, r = 6m Slant height of tent, l2 = (r2+h2) l2 = (62+82) = (36+64) = (100) or l = 10 Again, CSA of conical tent = πrl = (3.14 6 ... .2) 3] = 188.4 L-0.2 = 62.8 L = 63 Therefore, the length of the required tarpaulin sheet will be 63 m.

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Last Answer : Given, radius (r) = 7 m and height (h) = 24m ∴ Slant height (l) = √h2 + r2 = √242 + 72 = √625 = 25 m ∴ Length of canvas required

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Last Answer : Height of conical vessel (h) = 8 cm Slant height of conical vessel (l) = 10 cm ∴ r2 + h2 = l2 r2 + 82 = 102 r2 = 100 - 64 = 36 r = 6 cm Now, volume of conical vessel = 1 / 3 πr2h = 1 / 3 × 22 / 7 × 6 × 6 × 8 = 301.71 cm3 = 0.30171 litre

How many metres of 5 m wide cloth will be required to make a conical tent, the radius of whose base is 3.5 m and height is 12 m ? -Maths 9th

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Last Answer : l = √h2 + r2 = √(3.5)2 + (12)2 = √12.25 + 144 = √156.25 = 12.5 m Curved surface area = πrl = 22 / 7 × 3.5 × 12.5 = 137.5 m2 Area of cloth = 137.5 m2 Length of cloth required = C.S.A. / Width l = 137.5 / 5 = 27.5 m

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Last Answer : Given, radius (r) = 7 m and height (h) = 24m ∴ Slant height (l) = √h2 + r2 = √242 + 72 = √625 = 25 m ∴ Length of canvas required

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Last Answer : Height of conical vessel (h) = 8 cm Slant height of conical vessel (l) = 10 cm ∴ r2 + h2 = l2 r2 + 82 = 102 r2 = 100 - 64 = 36 r = 6 cm Now, volume of conical vessel = 1 / 3 πr2h = 1 / 3 × 22 / 7 × 6 × 6 × 8 = 301.71 cm3 = 0.30171 litre

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Last Answer : Slantheight5l = h2+r2 ​=(3.5)2+(12)2​ total canvas required = πrl =π×12×12.5 =471 sq m​

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The valve fitted closely in a recess against an opening in a pipe, is generally (A) Wedge shaped circular disc (B) Spherical disc (C) Parallelepiped disc (D) Conical shaped circular disc

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To orient a plane table at a point roughly south of the mid-point of two inaccessible conical hill stations and in the plains, a point is selected in line with AB and table is oriented at by bringing ab in line with AB. A ray is then drawn towards and at the table is oriented by back ray method. The orientation so obtained, is (A) Unique and correct (B) Incorrect (C) Manifold and correct (D) Not reliable

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