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iogann1982 [59]
3 years ago
10

The diameter of a circle is 20 meters . What is the area ?

Mathematics
2 answers:
schepotkina [342]3 years ago
5 0

Answer:

100pi m or approximately 314 m^2

Step-by-step explanation:

We need to find the radius to find the area

r = d/2 = 20/2 = 10

The area of a circle is

A = pi r^2

A = pi (10)^2

A = 100 pi  m^2

If we approximate pi by 3.14

A = 100*3.14

A = 314 m^2

horsena [70]3 years ago
4 0

Answer:

40m

Step-by-step explanation:

if 20 it the diameter then the daius is 10 which is multiplied by 4

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