The ratio of the radii of two wheels is 2.:5 what is the ratio of their circumference
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Ratio of their circumference will be also 2:5
we can prove it :-
let radius of 1st circle be 2 cm
=> circumference = 2 × 22/7×2 =88/7 cm2
let 2nd circle radius be 5 cm
=> circumference = 2×22/7×5 = 220/7 cm
ratio of circumference = 88/7 ÷ 220/7
=88/7 × 7/220
=88/220
=2/5
=2:5
hope it helped you.....
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we can prove it :-
let radius of 1st circle be 2 cm
=> circumference = 2 × 22/7×2 =88/7 cm2
let 2nd circle radius be 5 cm
=> circumference = 2×22/7×5 = 220/7 cm
ratio of circumference = 88/7 ÷ 220/7
=88/7 × 7/220
=88/220
=2/5
=2:5
hope it helped you.....
plz mark me as brainlest
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