The radius of a circle is 3.5 cm, find its circumference and area.
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Answer:
Formula of
Circumference of Circle
=2πr
=2×22/7× 3.5
=44×0.5
=22cm
Area of Circle
=πr²
=22/7 × 3.5²
=22/7 × 3.5 × 3.5
=22 × 0.5 × 3.5
=22 × 1.75
= 38.5 cm²
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