Circumference of a circle of diameter 5 cm is(a) 3.14 cm (b) 31.4 cm ( – InterviewSolution

1.

Circumference of a circle of diameter 5 cm is(a) 3.14 cm (b) 31.4 cm (c) 15.7 cm (d) 1.57 cm

Answer»

(c) 15.7 cm

From the question it is given that, diameter = 5 cm

Radius = diameter/2

Radius = 5/2 = 2.5 cm

Circumference of a circle = 2πr

= 2 × (22/7) × 2.5

= 15.7 cm

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