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Lorico [155]
3 years ago
15

PLEASE HELP ME ON MY FIRST QUESTION!, SHOW WORK PLEASE!!

Mathematics
2 answers:
kvasek [131]3 years ago
3 0

Answer:

Solution given:

radius [r]=2cm

height [h]=8cm

total surface area of cylinder=?

we have

total surface area of cylinder=2πr²+2πrh

  • 2πr(r+h)
  • 2π*2(2+8)
  • 40π or 125.66cm²

<u>total surface area of cylinder</u><u>40π or 125.66cm²</u><u>.</u>

andreyandreev [35.5K]3 years ago
3 0
<h2><u>Question :-</u></h2>

Find the surface area of the cylinder.

<h3>___________________</h3>

<h2><u>Solution :-</u></h2>

<h3><u>Given Information :-</u></h3>

  • <u>Radius of the Cylinder ➢</u> 2 cm
  • <u>Height of the Cylinder ➢</u> 8 cm
  • <u>Value of π (pi) (not given) ➢</u> 3.14

<h3><u>To Find :-</u></h3>

  • Surface Area of the Cylinder

<h3><u>Formula Used :-</u></h3>

  • Area of cylinder = 2πr( r + h )

<h3><u>Calculation :-</u></h3>

<em><u>Substituting the values given in the formula, We get, </u></em>

⇒ Area of Cylinder = 2 × 3.14 × 2 ( 2 + 8 )

⇒ Area of cylinder = 2 × 3.14 × 2 ( 10 )

⇒ Area of cylinder = 2 × 3.14 × 20

<em><u>Calculating further, We get, </u></em>

⇒ Area of cylinder = 125.66 cm²

<h3>___________________</h3>

<h2><u>Final Answer :-</u> </h2>

  • Area of cylinder = 125.66 cm²

<h3>____________________</h3>
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