the circumference of a circle is Equal to the perimeter of a square.
The side of the square is 33cm. what is double the diameter
the circle ?
Answers
Answered by
2
Step-by-step explanation:
assume side of square as 'a'
2πr= 4a
a=33
thus, 2×22/7×r= 4×33
r=21
2× diameter= 2× 2r= 2×2×21= 84
Answered by
1
Side of the square = 33cm
Perimeter of square = 2(side+side)
= 2(33+33)
= 2×66
= 132cm
Circumference of circle = 132cm
radius of circle:
= 2(πr) = 132
= πr = 132÷2
= πr = 66
= r = 66÷3.14
= r = 21.01
diameter of circle = 42.02
double of diameter = 84.04
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