The diametre of cicle is 7 cm .what will be its approximate circumference?
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diameter of circle=7cm
radius of circle=3.5cm
now,circumference=2pie R
=2multiply22by7 multiply3.5
circumference=22cm
radius of circle=3.5cm
now,circumference=2pie R
=2multiply22by7 multiply3.5
circumference=22cm
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