Answered

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

Sagot :

Answer:

40m

Step-by-step explanation:

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

wegnerkolmp2741o

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

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