1. Find the area of a circle whose radius is
a. 21 cm
Answers
Answered by
0
Answer:
A of circle = Pie*r^2
= 22/7*441 = 1386cm^2
Answered by
1
area of circle= π r^2
= 22/7 x 21 x 21
= 22 x 3 x 21
= 1386 cm^2
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