amelieagreste amelieagreste

19-02-2021
Mathematics

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A circle has circumference 27 cm. What is the area of the circle? Use 3.14 for .

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ASDFG9156 ASDFG9156

19-02-2021

Circumference = 2πr = 27 cm

= 2 × 3.14 × r = 27

= 3.14 × r = 27/2

so, r = [tex]\frac{27}{2}[/tex] × [tex]\frac{1}{3.14}[/tex] = 4.2 cm

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