The radio between the diameter of two circle is 3:5 find the ratio between radii, circimference, area
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Ratio of their diameters = 3:4
let the diameters be
d1 = 3x and d2=4x
so the ratios will be
r1=3x/2 and r2=4x/2
r1=3x/2 and r2=2x
circumference of a circle = 2×pi× radius
ratio of their circumferences = 2×pi×r1/ 2×pi×r2
=r1/r2
=3x/2/2x
= 3x/4x
=3:4
hope it helps...
Read more on Brainly.in - https://brainly.in/question/1105722#readmore
let the diameters be
d1 = 3x and d2=4x
so the ratios will be
r1=3x/2 and r2=4x/2
r1=3x/2 and r2=2x
circumference of a circle = 2×pi× radius
ratio of their circumferences = 2×pi×r1/ 2×pi×r2
=r1/r2
=3x/2/2x
= 3x/4x
=3:4
hope it helps...
Read more on Brainly.in - https://brainly.in/question/1105722#readmore
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