The radius of two cylinders are in the ratio 2: 3 and their heights are in the ratio 5: 3.Calculate the ratio of their curved surface areas.
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let the radius and height of 1st cylinder=2x,5xand 2nd cylinder=3x,3x
A T. Q.
ratio of c. s. a=csa of 1 St cylinder/
=csa of 2nd cylinder
πrh/πrh=22/7*2x*5x/22/7*3x*3x
=10/3=10:3
hence, the ratio of their csa= 10:3.
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Answer:
The ratio is 10:3
Step-by-step explanation:
ratio of c. s. a=csa of 1 St cylinder/
=csa of 2nd cylinder
πrh/πrh=22/7*2x*5x/22/7*3x*3x
=10/3=10:3
hence, the ratio of their csa= 10:3.
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