the radius and height of a right circular cylinder are in ration 5;7 and its curved surface area is 220 cm square find its radius and height
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Answer:
Radius = 5cm , Height= 7cm.
Step-by-step explanation:
Radius = 5x
Height = 7x
curved surface area = 2πrh = 220
=> 2* 22/7 * 5x *7x = 220
=> 220 x² = 220
=>x² = 1
=> x=1
Radius = 5cm , Height= 7cm.
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