Question

a wodden toy was made by scooping out hemisphere of same radius from each end of a solid cylinder. If the height of the cylinder is 10 cm, and its base is of radius 3.5 cm, find the TSA of the toy. ​

Answer 1

Step-by-step explanation:

height= 10 cm

radius= 3.5 cm

   TSA= csa of cylinder + 2 x csa of hemisphere

=>TSA= 2 x 22/7 x 7/2 x 10 + 2 x 22/7 x 7/2 x 7/2

=>TSA= 220 + 77= 297 cmsq.

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