Question

The circumference of a circle is 440cm ,find the radius and diameter.
\pi22 \div 7
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Answer 1

Answer:

circumference of circle =2Pie r

2×22÷7×r=440,

44r÷7=440

44r=440*7

44r=3080

r=3080÷44

r=2540÷22

r=1279÷11

r=116.2..

Answer 2

Answer:

radius =70

diameter= 140

Explanation:

circumference of circle = 2 pi r

440= 2×22/7×r

440=44/7×r

440×7/44=r

10×7=r

70=r

diameter= 2×r

=2×70

=140