Surface area of sphere and Hemisphere. Maths CBSE Homework Assignments, Class 9: lessons, tests, tasks.

1.	Calculate the surface areas of a hemisphere Difficulty: medium	4
2.	Determine the cost of tin-plating the hemispherical bowl Difficulty: medium	4
3.	Find the ratio of surface area of the balloons Difficulty: medium	4

Find C.S.A and T.S.A

Difficulty: medium

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Surface area of sphere and Hemisphere