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NNADVOKAT [17]
3 years ago
6

If a circle has a diameter of 30 meters, which expression gives its area inscuare meters​

Mathematics
2 answers:
Margaret [11]3 years ago
5 0

Answer:B

Step-by-step explanation: 30 is the diameter so we divide it by 2 to get 15 which is the radius. Radius to the power of 2 times pi is how you get area so 15^2 times pie equals area.

yarga [219]3 years ago
4 0

Answer:

A = pi (15)^2

Step-by-step explanation:

The diameter is 30

The radius is 1/2 of the diameter

r = d/2 =30/2 = 15

The area of a circle is

A = pi r^2

A = pi (15)^2

A = 225 pi

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