1 Answer

Shsteimer · Answer 1 · 2023-03-08T14:20:14+0000

Answer:

r = 10 mm

Explanation:

Formula of a quater circle perimeter: P = (
$(\pi )/(2)$ + 2 )r

You substitute the given perimeter then you'll have something that looks like this : 35.7 = (
$(\pi )/(2)$ +2)r

Then you divide both sides by (
$(\pi )/(2)$ +2) to get the answer

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