Question

100 points please help... i think the answer is 288 pie squared but not sure

What is the surface area of a dome (a half sphere) with a radius of 12 meters?
576 pie meters squared
48 pie meters squared
288 pie meters squared
96 pie meters squared

Answer 1

9514 1404 393

Answer:

(c) 288π m²

Explanation:

The area of a sphere is found using the formula ...

A = 4πr²

Then the area of a half-sphere with radius 12 m will be ...

A = (1/2)(4π)(12 m)² = 288π m²