Answered

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The diameter of a semicircle is 4 miles. What is the semicircle's area?

Sagot :

pcai26

Answer:

2pi

Step-by-step explanation:

r=d/2

4/2=2

A=pi*r^2

pi*2^2=4pi

semicircle is 1/2 of a circle

4pi/2=2pi

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