A wire is bent into the form of square of side 5cm . Again the wire is straightened and bent into the form of circle. What will be the radius and area of the circle so formed.
Answers
Answered by
0
Answer:
10cm
Step-by-step explanation:
5x4=20cm
r=d/2
r=20/2=
10cm
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Answered by
2
Answer:
Side of square = 5cm
Perimeter of square = 4 x side
= 4 x 5cm = 20cm
Perimeter of circle = 20cm
A.T.Q :
Perimeter of circle = 2πr
20 = 2 x 22/7 x r
20/2 = 22/7 x r
10 = 22/7 x r
10 x 7/22 = r
70/22 = r
35/11 = r
Area of circle = πr²
= 22/7 x 35/11 x 35/11
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