Math, asked by savitadevi3738, 11 months ago

find the area and circumference of a circle of radius 21 CM

Answers

Answered by apwrajesh

30

Step-by-step explanation:

Area=22/7×14×14

Area=616cm2

Circumference=2×22/7×21

Circumference=132cm

Answered by shreelak32

11

Answer:

area = 1385.44

circumference = 131.94

Step-by-step explanation:

area of circle is pi* (radius)^2

area= pi*21^2

area=3.14*441

area= 1385.44

Circumference of a circle is 2*pi*radius

C= 2*3.14*21=131.94

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