Question

Find the radius and diameter of the circles. Circumference. (π = 22/7)

A. Circumference = 132 cm
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Answer 1

Radius = 21 cm

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Diameter = 42 cm

Step-by-step explanation:

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Please see the detailed answer in picture.

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Answer 2

Answer:

Diameter=42 cm

Radius=21 cm

Step-by-step explanation:

Area of circumference=132 cm

2×22/7×r=132

r=132×7/2×22

r=7×3 (by cancelation)

r=21

d=2×r

therefore d=2×21

=42cm

Hence proved

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