the radius and height of a cylinder are in the ratio 5:7and it's curved surface area is 5500sq. CM. find it radius
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Answer:
25 cm
Step-by-step explanation:
CSA= 2πrh
5500=2×22/7×5x×7x
x²=5500/2×22×5
=25
x=5 cm
radius= 5x = 5×5 = 25cm
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