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koban [17]
3 years ago
12

The diameter of a circle is 10 meters. What is the area of the circle? (Use 3.14 for Pi and round to the nearest tenth.

Mathematics
2 answers:
poizon [28]3 years ago
5 0

The answer is 78.5 you can get this by multiplying pi by the radius which is 5 then square it and you get 78.5

Nadusha1986 [10]3 years ago
5 0

Answer:

a=78.5 meters^2

Step-by-step explanation:

First, we have to find the radius

r=d/2

r=10/2

r=5

Substitute 5 in for r in the area formula

a=\pir^2

a=\pi5^2

a=\pi25

Substitute 3.14 in for pi

a=25*3.14

a=78.5 meters^2

Hope this helps!

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