aundreyagrace aundreyagrace
  • 22-05-2020
  • Mathematics
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10m radius. What is the area of the circle? Round your answer to the nearest tenth.

10m radius What is the area of the circle Round your answer to the nearest tenth class=

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Sarah06109
Sarah06109 Sarah06109
  • 22-05-2020

Answer:

D

Step-by-step explanation:

The area of a circle can be found using:

a=πr^2

We know that the radius is 10 meters. Therefore, we can substitute 10 in for r.

a=π*10^2

Evaluate the exponent

a=π*100

Multiply pi and 100

a=314.159265359

Round to the nearest tenth: there is a 5 in the hundreth place, which indicates we round up the 1 in the tenths place to a 2.

a=314.2

The area is 314.2 square meters, or choice D

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alana0159 alana0159
  • 22-05-2020

Answer:

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