1.

Find the length of the arc of circle of diameter10 cms, if the arc is subtending an angle of 36at the centre:

Answer»

Radius = 0.5*Diameter = 0.5 * 10= 5cmCircumference = 2*(22/7)*5= 220/7 cm

Length of arc = 36/360 * circumference= 36/360 * (220/7)= 22/7 cm

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