Question

find the circumference and area of a circle of radius 20 CM
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Answer 1

Answer:

CIRCUMFERENCE IS 125.71 cm

AREA OF CIRCLE IS 2514.29 cm square

Explanation:

GIVEN : radius =20cm

SOLUTION:

CIRCUMFERENCE =2 x pie x radius

CIRCUMFERENCE = 2 x 22/7 x 20

=6.28 x 20

= 125. 71 cm

AREA OF CIRCLE = 2 x pie x (radius) ^2

AREA OF CIRCLE = 2 x 22/7 x 20 x 20

= 44/7 x 400

= 2514. 29 cm square

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Answer 2

Answer:

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Explanation: