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 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 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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