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The total surface area of solid cylinder is 616 CM square and radius is 7 cm find the height. ​

Sagot :

sanboily2003

there is a formula A = 2π r h + 2π r².

=> h = (A - 2π r²) / 2π r

=> h = ( 616 - 2π(7)^2) / 2π(7)

=> h = 7.0

Hope you could understand.

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