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A wire is in the form of square with side 44 cm. It is bent to form a circle. What is the radius of the circle? |
28 cm 21 cm 16 cm 32 cm |
28 cm |
The length of the wire is constant, Perimeter of the square = circumference of circle 4 x (side) = 2$\pi$ r ⇒ 4 x 44 = 2 x $\frac{22}{7}$ x radius ⇒ radius = 28 cm |
