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Given :
⬤ a) Radius = 21 mm
⬤ b) Diamater = 14 cm
⬤ c) Radius = 35 mm
To Find :
⬤ Area of Circle.
Formula Used :
Solution :
A) Radius = 21 mm
According to the Formula :-
πr²
22/7 × 21 × 21
22 × 21 × 3
1386
Therefore , Area of Circle is 1386 mm².
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B) Diameter = 14 cm
- Radius = 7 cm
According to the Formula :-
πr²
22/7 × 7 × 7
22 × 7
154
Therefore , Area of Circle is 154 mcm².
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A) Radius = 35 mm
According to the Formula :-
πr²
22/7 × 35 × 35
22 × 35 × 5
3850
Therefore , Area of Circle is 3850 mm².
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