Question

a toy is in the form of cone mounted on a hemisphere of same diameter. the diameter of the base and height of the cone are 7cm and height 8 cm respectively. determine the surface area of the toy.
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Answer 1

Answer:

this is your answer dear

Answer 2

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103.62 cm²

Step-by-step explanation:

Given, height of cone = 4 cm and diameter = 6 cm. Then, radius = 3 cm.

Slant height(l) = √r² + h²

= √3² + 4²

= 5 cm.

∴ Surface area of cone = πrl

= 3.14 * 3 * 5

= 47.1 cm²

∴ Surface area of hemisphere = 2πr²

= 2 * 3.14 * (3)²

 = 56.52 cm²

Total surface area of toy = Area of cone + Area of hemisphere

= 47.1 + 56.52

= 103.62 cm²

Hope it helps!