Question

The volume of a right circular cylinder is 44817 cm3 and height is 7 cm. Find the lateral surface area and the total surface area.

Plzzzzzz answer quickly, it's urgent.

Answer 1

I think its approximately correct...
TSA =7355.63
CSA =1976.8

Answer 2

The lateral surface area of cylinder is 1985.72 cm².

The total surface area of cylinder is 2293.72 cm².

Step-by-step explanation:

Given : The volume of a right circular cylinder is 44817 cm³ and height is 7 cm.

To Find : The lateral surface area and the total surface area ?

Solution :

The volume of a right circular cylinder is $V=\pi r^2 h$

Here, V=44817 cm³ and h=7 cm

Substitute,

$44817=\frac{22}{7}\times r^2\times 7$

$r=\sqrt{\frac{44817}{22}}$

$r=45.13\ cm$

The lateral surface area of cylinder is $LSA=2\pi r h$

$LSA=2\times \frac{22}{7}\times45.13\times 7$

$LSA=1985.72\ cm^2$

The total surface area of cylinder is $TSA=2\pi r h+2\pi r^2$

$TSA=1985.72+2\times \frac{22}{7}\times 7^2$

$TSA=1985.72+308$

$TSA=2293.72\ cm^2$

#Learn more

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