Seudónimo Seudónimo
  • 02-09-2020
  • Mathematics
contestada

The diameter of a circle is 7 in. Find its area to the nearest tenth.

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Аноним Аноним
  • 03-09-2020
A = πr^2
D = r • 2
R = D/2
7/2 = 3.5
R = 3.5

A = πr^2
A = 3.14 • 3.5^2
A = 3.14 • 12.25
A = 38.465
A = 38.47

So therefore the area of the circle is 38.47!
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