a piece of wire is in the form of a rectangle whose length is 52 cm and breadth is 36 cm. It is cut at a point and bent in the form of a circle. find the radius of the circle.
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Answered by
26
52 + 36
=88 = circumference
88 = 2πr
88/2 = 22/7 * r
44 x 7/22 = r
77cm = r
not sure
=88 = circumference
88 = 2πr
88/2 = 22/7 * r
44 x 7/22 = r
77cm = r
not sure
Answered by
29
Area of rectangle =52*36=1872 cmsq
Now it mold in circle but area will remain same
So area of circle =area of rectangle
Pie*r^2=1872
r^2=1872/pie
r^2=1872*7/22
r=24.40
So radius of circle =24.40
Now it mold in circle but area will remain same
So area of circle =area of rectangle
Pie*r^2=1872
r^2=1872/pie
r^2=1872*7/22
r=24.40
So radius of circle =24.40
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