xoxoamylyn13 xoxoamylyn13

20-03-2018
Mathematics

contestada

Find the circumference of a circle that has an area of 452.16 square meters.( use the 3.1416 as the value of tt.)

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gingerpoet gingerpoet

23-03-2018

A = πr²
452.16 = πr²
r = √452.16 ÷ π
r = 11.99694 meters

C = 2πr
C = 2π(11.99604)
C = 75.3791
C = 75.38 meters

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