1 Answer

Munsu · Answer 1 · 2022-07-30T11:47:52+0000

Answer:

$(9\pi )/(2)$ feet, or 14.14 feet

Explanation:

Use the arc length formula:

s = rθ

To use the formula, we have to convert the central angle to radians.

90° is equivalent to
$(\pi )/(2)$ radians, so plug this and the radius into the formula:

s = rθ

s = (9)(
$(\pi )/(2)$ )

s =
$(9\pi )/(2)$

So, the length of the arc is
$(9\pi )/(2)\\$ feet, or approximately 14.14 feet

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