Question

surface area.
9. The volume of a cylinder is 924 cm and height 6 cm. Find its total surface area.
10. The sum of the radius of the base and height of a solid cylinder is 37 cm. Find the circuma​

Answer 1

Answer:

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Answer 2

Answer:

A.9. $\tt{\implies πr²h = 924m³}$

$\tt{\implies 2πrh = 264m²}$

$\tt{\implies \dfrac{r}{2} = \dfrac{924}{264}\:»\:r= 7}$

$\tt{\implies h = \dfrac{264×7}{2×22×7}\:=\: \dfrac{264}{44}\: = 6m$