sophisstudying sophisstudying

08-11-2019
Mathematics

contestada

Find the area and perimeter or circumference of each figure:
a. Circle with radius 3 cm.
b. Circle with diameter 10 feet.

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zhekingsquad1 zhekingsquad1

08-11-2019

Do Circumfrence over diameter then add pi? I think

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HomeworkHelper389 HomeworkHelper389

08-11-2019

a) area: 3^2pi = 9pi cm or 28.27 cm
Perimeter/ circumference: 2*3pi = 6pi cm or 18.85 cm
b) 10/2 = 5 (radius)
area: 5^2pi = 25pi feet or 78.54 feet
Perimeter/circumference: 2*5pi = 10pi feet or 31.42 feet

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