Find. The area of circle. Diameter 42cm
Answers
Answered by
2
areaofcircle=πr2
7
22 ×21×21
22×3×21
22×63
1386
Answered by
1
Step-by-step explanation:
area of a circle = πr^2
so,
r=d/2
r=42/2
r=21
Therefore
solu:-
area=πr^2
=π(21)^2
=22/7*21*21
=22*3*21. (°.° 21/7=3)
=1,386
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