A wire in the shape of a square of side 10 cm is reshaped into a sector of the circle with radius 10 cm..The angle of the sector in radians
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side of a square=10 cm
radius of the sector =10 cm
circumference of a circle =2×3.14×10
=62.8cm
the length of the wire into a sector =62.8×10 =628.0cm
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