sorry but you have not take out the area of the circle but your radius answer is correct
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6
Answer:
area of a circle is π r×r
Step-by-step explanation:
22/7 × 40.09×40.09
=5046.63 cm 2
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0
Answer:
Hope it will help you
Step-by-step explanation:
circumference of a circle = 2πr
252 cm = 2 * 22/7 * r
(252 *7)/ 44 = r
1764/44 = r
40.09 = r
∴radius = 40.09 cm
Area of circle = πr²
=22/7 * 40.09 * 40.09
= 22*5.727*40.09
=5051.099cm ²
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