YounQin YounQin
  • 07-11-2021
  • Mathematics
contestada

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

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sanboily2003
sanboily2003 sanboily2003
  • 07-11-2021

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

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Аноним Аноним
  • 13-02-2022

Hope you could understand.

If you have any query, feel free to ask.

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