2 years ago

WHAT IS THE AREA OF THE CURVED SURFACE OF A CYLINDER OF BASE RADIUS 4 CM AND HEIGHT 10 CM

Mathematics

2 answers:

nika2105 [10]2 years ago

8 0

Answer:

i dont know if its correct 532cm^2.

Alex2 years ago

6 0

Answer:

Total surface area of cylinder is 532cm^2

Step-by-step explanation:

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GarryVolchara [31]

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Step-by-step explanation:

The given scenario forms a right triangle.

Where

The length of ladder will be the hypotenuse

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So,

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Using the Pythagoras theorem

$H^2=P^2+B^2\\(20)^2=(17)^2+B^2\\400=289+B^2\\400-289=B^2\\B^2=111\\Taking\ square\ root\ on\ both\ sides\\\sqrt{B^2}=\sqrt{111}\\B=10.53\\Rounding\ off\ to\ the\ nearest\ tenth\\B=10.5$

The bottom of the ladder is 10.5 feet away from the wall

Keywords: Triangle, Pythagoras Theorem

Learn more about Pythagoras theorem at:

#LearnwithBrainly

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2 years ago

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mart [117]

Answer:

Step-by-step explanation:

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