SOLUTION: Find the area (a) of the circle with a diameter (d) of 4.02

Question 437366: Find the area (a) of the circle with a diameter (d) of 4.02
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Divide the diameter by 2 to get the radius. Square the result. Multiply that result by

. Leave it in terms of

for the exact answer, or use a suitable approximation for

to calculate a numeric approximation. Since the diameter was given to two decimal places, the area must not be expressed to greater precision.

John

My calculator said it, I believe it, that settles it

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