Hello!
First you have to find the length of the side under the quarter circle
20 - 11 = 9
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Next you have to find the circumference of the quarter circle
You use the equation to find the circumference of a circle and divide the answer by 4
The equation is [tex]2 \pi r[/tex]
r is radius
Put in 3.14 for pi and the numbers you know
2 * 3.14 * 11 = 69.08
Divide this by 4
69.08 / 4 = 17.27
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Finally you add all the values you know
20 + 2 + 17.27 + 9 + 11 + 2 = 61.27cm
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The answer is 61.27cm
Hope this helps!
