Find the base area $ A_B $ of a cone if radius $r = 10$ and diameter $d = 20$.
Answer
$AB = 100\pi$
Explanation
To find base area $ AB $ use formula:
$$ AB = r^2 \cdot \pi $$After substituting $ r = 10 $ we have:
$$ AB = 10^2 \cdot \pi $$ $$ AB = 100 \cdot \pi $$This page was created using
Cone Calculator