Find the diameter of a circle whose circumfernce is 52. ( π = 3.14 )
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4
We know that Circumference of circle is 2πr units
Circumference of circle 2πr = 22 cm
r = 22/2π
r = 11/π
r = 11 / 22/7 cm
r = 11 × 7/22
r = 7/2 cm
r = 3.5 cm
The radius of the circle is 3.5 cm
We know Diameter = 2 × radius
Diameter of circle = 2 × 3.5 cm
Diameter of circle = 7 cm
Answered by
30
We know that Circumference of circle is 2πr units
Circumference of circle 2πr = 22 cm
r = 22/2π
r = 11/π
r = 11 / 22/7 cm
r = 11 × 7/22
r = 7/2 cm
r = 3.5 cm
The radius of the circle is 3.5 cm
We know Diameter = 2 × radius
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