The perimeter is 38.4 inches
in proper form a repeating decimal is written with a repeating bar above the very last number after after the decimal from the renths place and down to the right
Total angle for the pie chart = 360°
13 out of 60 = 13 / 60
Angle for it = 13 / 60 * 360 = 13 * 6 = 78°
Angle used = 78°
8.2 is 10% of 82
As 8.2 * 10 is 82.
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