the circumference of a circle is 440cm. find its radius and diameter. take π as 22/7
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Circumference = 2*pi*r
440 cm = 2*22/7*r
r = 440*7/2*22
r = 70 cm
diameter = 2*r
= 2*70
= 140 cm
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Answer:
Circumference = 2*pi*r
440 cm = 2*22/7*r
r = 440*7/2*22
r = 70 cm
diameter = 2*r
= 2*70
= 140 cm
Step-by-step explanation:
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