Math, asked by himanisimran6, 3 months ago

5. If the radius of a circle is 21 cm, then find its circumference and area.

Answers

Answered by bhagadkarvaidehi2005

1

circumference =2*22/7*21

=131.947 cm

area=22/7*21*21

=1385.442 cm^2

Answered by Aniket7256

2

Answer:

176 cm.

Step-by-step explanation:

circumference of circle= 2πr

= 2x22/7x21

=2x22x3

=44x3

=176 cm.

Area of circle= πr²

=22/7x(21)²

=22/7x21x21

=22x3x21

=66x21

=1386 cm²

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