40pi is equal to about 124.
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It is 40
To find the fifth multiple of a number, you would multiply the number by 5. The quotient of 480 and 8 is 60. Therefore, the fifth multiple of the number would be 60 x 5, which is 300.
c=pi*8 diameter = 8 radius = 4 area = pi * 16
Area = Pi times the Radius squared -- pi x r^2Note: pi = 3.1415926535897932384626433832795Area = 3.14159 x 8^2Area = 201.06176 (units)^2
It is 20 times 8 = 160