Find the perimeter of the shaded region. Round your answer to the nearest hundredth.

≈20.56

Step-by-step explanation:

Since the total length of a side is 6 and the small bit is 2, the radius of the curve is 2. The curves are all 90° meaning they add up to one full circle, so you could just find the circumference of the circle with a radius of 2 plus the lengths between the curves.

Circumference = 2π(2) ≈ 12.57

Perimeter = 12.57 + 4(2) = 20.56

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step-by-step explanation:

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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