Question

What is the area of the semicircle with diameter 20cm

Answer 1

Answer:

30 diagram hope it helps

Answer 2

Answer:

[pie*radius^2]/2 =area of semicircle

Step-by-step explanation:

d=2r

r=d/2=20/2=10cm

area= $\frac{1}{2} 3.14*10*10$

= 157 cm^2

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