3 years ago

The perimeter of a rectangular table is 8 m.

Mathematics

1 answer:

ipn [44]3 years ago

8 0

Answer:

The side lengths are 1.5m and 2.5m.

Step-by-step explanation:

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The surface area of a cylinder is 432 pi yd2. The height of the cylinder is five times the radius. What is the diameter of the c

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Since the surface area of this cylinder is $432\pi \;yd^2$ , its diameter is equal to 12 yards.

<h3>How to calculate surface area.</h3>

Mathematically, the surface area (SA) of a cylinder is given by this formula:

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

<u>Where:</u>

h is the height.

r is the radius.

<u>Given the following data:</u>

Surface area of cylinder = $432\pi \;yd^2$

Height = 5r.

Substituting the given parameters into the formula, we have;

$432\pi = 2\pi r(5r) + 2\pi r^2\\\\432\pi = 2\pi 5r^2 + 2\pi r^2\\\\216=5r^2+r^2\\\\216=6r^2\\\\r^2=36\\\\r=\sqrt{36}$

r = 6 yards.

<u>For the diameter:</u>

Diamter = 2 x radius

Diamter = 2 x 6

Diameter = 12 yards.

Read more on surface area here: brainly.com/question/21367171

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