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3 years ago

Um not sure who deleted my qustion but here it is again

Mathematics

2 answers:

Lisa [10]3 years ago

7 0

The area of a trapeziod is found by adding the top and bottom dimensions together, dividing that by 2, then multiplying by the height.

The top half of the window is: 16 +30 = 46/2 = 23 x 276 square inches.

The top and bottom are the same.

Total area = 276 + 276 = 552 in^2

dangina [55]3 years ago

6 0

Answer:

552 in^2

Step-by-step explanation:

Area of trapezoid = 1/2(16 + 30(12)

= 1/2(46)(12)

= 276

Two trapezoids are similar

So total area = 2 x 276 = 552 in^2

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A cylinder has a height of 12 feet and a radius of 5 feet. What is its volume? Use ≈ 3.14 and round your answer to the nearest

beks73 [17]

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3 years ago

the ratio of the sides of a certain triangle is 2:7:8 if the longest side of the triangle is 40cm how long are the other two sid

Zigmanuir [339]

The length of the other two sides is 10 and 35 respectively.

<h3>What is a ratio?</h3>

A ratio is a quantitative relation showing the comparison between two or more numbers. It can also be written in the fractional form where the first part is the numerator and the second part is called the denominator.

From the given information:

The sides of the triangle = 2:7:8
The total sides of the triangle = 2+7+8 = 17

We are being told that the longest side is the triangle is equal to 40.

i.e.

$\mathbf{\to\dfrac{8}{17}\times x = 40}$

$\mathbf{x = 40 \div \dfrac{8}{17}}$

$\mathbf{x = 40 \times \dfrac{17}{8}}$

x = 85

Now for the other two sides 2 and 7, their length is as follows.

$\mathbf{\dfrac{2}{17}\times 85 = 10}$

$\mathbf{\dfrac{7}{17}\times 85 = 35}$

Therefore, we can conclude that the length of the other two sides is 10 and 35 respectively.

Learn more about ratios here:

brainly.com/question/2328454

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