A Piece Of Wire In The Form Of Reactangle 40 Cm Long And 26 Cm Wide Is Again Bent Tp Form A Circle Find The Radius Of The Circle.

a piece of wire in the form of reactangle 40 cm long and 26 cm wide is again bent tp form a circle find the radius of the circle.

  Find the perimeter of the rectangle first
P = 2 (l + w)
P = 2(40+26)
P = 2 (66)
P = 132 cm
P of rectangle is equal to the circumference of the circle
C = 2πr
132 = 2πr
r = 66/π
r = 21.02 cm

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