Q. The area of circle is 154 cm², find the radius. (Take r = 22/7)
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Answered by
3
Answer:
We know that,
Area of circle = πr²
→154 cm² = πr²
→154 cm²×7/22 = r²
→7×7= r²
→49 = r²
→r=7cm
Answered by
0
Answer:
area = 154cm²
area= 22/7 × r ×r = 154
= r² =154×7 divided by 22
= r² = 49
so, radius = sq. root of 49
= 7
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