Mathematics: Plz try to answer this question

Plz try to answer this question - id10477086, tjacqueline9753

rleiphart1

17.03.2022

4.242 × 2.449 × 3.464 ÷ 9

35.986 ÷ 9

= 3.998

I think the answer is 3.998

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harmony000011

30.04.2022

The surface area of the cylinder is $748\pi$ .

Step-by-step explanation:

Given : Radius of the cylinder is 11 unit and height of the cylinder is 23 unit.

To find : What is the surface area of the cylinder in term of pi?

Solution :

The formula of surface area of cylinder is

$A=2 \pi r^2+2\pi rh$

Where, r is the radius of the cylinder r=11 unit.

h is the height of the cylinder h=23 unit.

Substitute the value in the formula,

$A=2 \pi r^2+2\pi rh$

$A=2\pi(r^2+rh)$

$A=2\pi(11^2+11(23))$

$A=2\pi(121+253)$

$A=2\pi(374)$

$A=748\pi$

Therefore, The surface area of the cylinder is $748\pi$ .

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