sahaj2070 sahaj2070

13-03-2020
Mathematics

contestada

What is the formula for the area of a hemisphere?

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sweetri0102 sweetri0102

13-03-2020

Answer:

Step-by-step explanation:

If you have a hemispherical object then it has a base which is a circle of radius r. The area of a circle of radius r is π r2 and thus if the hemisphere is meant to include the base then the surface area is 2 π r2 + π r2 = 3 π r2.

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