Q: What is the circumference and the area for cm?

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circumference = pi*18 cm area = pi*92 square cm

Its circumference is: 15*pi cm Its area is: pi*7.5^2 square cm

Area = pi*72 square cm Circumference = pi*14 cm

The circumference is 51.125 cm.

The circumference and area of a 21.5 cm diameter circle are:C = 67.54 cmA = 363.1 cm2

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The circumference of a circle when the area is 69cm2 is about 29.4 cm

Its circumference is: 15*pi cm Its area is: pi*7.5^2 square cm

circumference = pi*18 cm area = pi*92 square cm

Area = pi*72 square cm Circumference = pi*14 cm

The circumference is 51.125 cm.

circumference = 2πr → r = circumference/2π area = πr² = π(circumference/2π)² = circumference²/4π = (1.5π cm)²/4π = (3π/2 cm)²/4π = (9π²/4)/4π cm² = 9π/16 cm² = 0.5625π cm²

Area = pi*2.52 = 19.63495408 or about 20 square cm Circumference = pi*5 = 15.70796327 or about 16 cm

16.0

The circumference and area of a 21.5 cm diameter circle are:C = 67.54 cmA = 363.1 cm2

Circumference = 44.588 cm implies area = 158.207 mm2.

Area = 78.54 cm2Circumference = 31.42 cm

Area = 50.265 cm2Circumference = 25.132 cm