what is the height of right circular cylinder whose curve surface area is 154 cm square and radius is 7 cm. *
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what is the height of right circular cylinder whose curve surface area is 154 cm square and radius is 7 cm. *
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Answer:
3.5 cm
Step-by-step explanation:
Curved Surface area of cylinder = 2 × 22/7 × r × h
Given, C.S.A. = 154 cm², radius (r) = 7 cm.
=> 154 = 2 × 22/7 × 7 × h
=> 154 = 44 × h
=> h = 154/44
=> h = 3.5 cm