Question

If the radius of the circles is 7 units, then its circumference is_____
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Answer 1

Step-by-step explanation:

Fact: circumference of a circle whose radius is r is given by 2πr

Here r=7 cm

Hence circumference of the circle =2π(7)=2⋅

7

22

⋅7=2⋅22=44 cm

Answer 2

Answer:

circumference of circle = 2pie radius

Step-by-step explanation:

pie = 22/7

2×22/7×7=44 cm

therefore, circumference = 44cm