Chythegreastest Chythegreastest

14-03-2019
Mathematics

contestada

the radius of a circle is 7 cm what is the cirfufance

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jimrgrant1 jimrgrant1

14-03-2019

Answer:

44 cm

Step-by-step explanation:

The circumference (C) of a circle is calculated using the formula

C = 2πr ← where r is the radius

here r = 7, hence

C = 2 ×π × 7 = 14π ≈ 44 cm ( to nearest whole number )

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