SOLUTION: For a circle with radius of 6m,calculate the area and circumference. 6 marks.

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Question 1134535: For a circle with radius of 6m,calculate the area and circumference.
6 marks.
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

the area of a circle:A=r%5E2%2Api
and circumference of a circle:C=2r%2Api
if r=6m, we have
A=%286m%29%5E2%2Api
A=36m%5E2%2Api-> exact area
A=36m%5E2%2A3.14
A=113.04m%5E2-> approximate area

C=2%286m%29%2Api
C=12m%2Api-> exact circumference
C=12m%2A3.14
C=37.68m-> approximate circumference