The radii of two cylinders are in the ratio 2:3 and their heights are in the ratio 5:3. Find the ratio of their tsa
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Let the radii of the two cylinders be r1 and r2 and their heights be h1 and h2 respectively.
Ratio of radii r1:r2=2:3
Ratio of heights h1:h2=5:3
T.S.A of cyclinder=2πr(h+r)
2πr1(h1+r1):2πr2(h2+r2)
r1(h1+r1):r2(h2+r2)
2(7):3(6)
Ratio of T.S.A=7:9.
Ratio of radii r1:r2=2:3
Ratio of heights h1:h2=5:3
T.S.A of cyclinder=2πr(h+r)
2πr1(h1+r1):2πr2(h2+r2)
r1(h1+r1):r2(h2+r2)
2(7):3(6)
Ratio of T.S.A=7:9.
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