154 area of circle.find the perimeter of circle
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Answered by
3
π r² = 154
r² = 154*7/22 = 7*7
r = 7
perimeter = 2*22/7 *7 = 44
Answered by
0
Answer:44
Step-by-step explanation:
Area of circle = 154
We know that area of circle = π (radius)²
So,
πr² = 154
r² = 154 X 7/22 ......(π = 22/7)
r = √49
r = 7
Now perimeter of circle = 2πr = 2 X (22/7) X 7
Perimeter of circle = 44
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