if the diameters of the concentric circles shown in the figure below are in the ratio 1 is to 2 is to 3 then find the ratio of the areas of the three regions
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Answered by
5
let diameter(d) of one circle = 2x
r1=x
d of second circle = 4x
r2=2x
d of 3rd circle = 6x
r3=3x
area = πr²
ratio = πr1²:πr2²:π r3²
x²:(2x)²:(3x) ²
1:4:9
mark brainliest
r1=x
d of second circle = 4x
r2=2x
d of 3rd circle = 6x
r3=3x
area = πr²
ratio = πr1²:πr2²:π r3²
x²:(2x)²:(3x) ²
1:4:9
mark brainliest
Answered by
17
Answer:
Hence,it is in the ratio 1:3:5.
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