Hottyaf Hottyaf

23-03-2017
Mathematics

contestada

What is the area of a semicircle with the diameter of 12 in.

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Songshen Songshen

23-03-2017

radius r = 6 in
so area A = 6x6xπx0.5 = 18π
note: a semicircle is just half of a full circle:)

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amelia18 amelia18

23-03-2017

The area is 56.54
12 divided by 2=6
Radius=6
The equation is pi r2/2
Pi 6x2/2
Pi 36/2
36 times pi(3.14)=113.09
113.09 divided by 2=56.54

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