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Find the area of a semicircle with diameter 9 cm
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7 votes
Find the area of a semicircle with diameter 9 cm

User Luke Peavey
by
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1 Answer

8 votes

Answer:

31.8 cm^2

Explanation:

Area of WHOLE circle = pi r^2

semicircle is 1/2 of this ( r = 1/2 of the diameter)

1/2 pi r^2

1/2 pi (9/2)^2 =

User Turbo Sullivan
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