Describe the mistake in the problem below AND find the correct answer.

Question

asked Jul 7, 2023 135k views

1 Answer

Petr Petrov · Answer 1 · 2023-07-11T11:12:05+0000

The formula is for the radius. In this case the radiuis is not 15 is 7.5

Therefore that is the mistake. the correct answer is

$2\cdot\pi\cdot7.5=15\pi\approx47.1$