find the circumference of the circle that is with in a square if the area of the square is 81cm
Answers
Answered by
1
Answer:
56.52
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Answered by
0
Answer:
Step-by-step explanation:
area of square = 81 cm
Area = side *side
81=9*9
Side of square = 9
Diameter of circle = 9
Radius=9/2=4.5
Circumference of circle
=2*22/7*4.5
28.29 aprrox
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