If radius of a circle is 21cm then its area is_____sq cm
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Answered by
9
Answer:
1386 cm²
Step-by-step explanation:
given: Radius of the circle = 21 cm
hence, it's area = πr²
= 22/7 × 21 × 21
= 22 × 3 × 21
= 1386 cm²
Answered by
0
Answer:
1386cm square
Step-by-step explanation:
Radius = 21 cm
Area = Pie R square
= 22/7 ×21×21
= 1386
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