Question

find the surface area and volume of the cap​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

The projection of the cap on the cylinder has area (2πr)h. And since a2=r2−(r−h)2=2rh−h2⇒2rh=h2+a2, the area of the cap is π(2rh)=π(h2+a2). Mark me the brainlest