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SVETLANKA909090 [29]
3 years ago
5

What is the area of this trapezoid? Enter your answer in the box. Cm² Trapezoid with top base length of 14 centimeters, bottom b

ase length of 28 centimeters, and a height of 16 centimeters
Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
7 0

Answer: 336 square centimeters.

Step-by-step explanation:

We know that the area of the trapezoid is given by :-

A=\dfrac{1}{2}h(a+b) , where a and b are the measure of opposite parallel sides and h is height.

Given : a = 14 cm   ; b= 28 cm    h= 16

Then, the area of the trapezoid will be :-

A=\dfrac{1}{2}(16)(14+28)\\\\=8\times42=336\ cm^2

Hence, the area of trapezoid = 336 square centimeters.

Sonja [21]3 years ago
4 0

Answer: 336 cm²

Step-by-step explanation:

A trapezoid looks like a rectangle with 2 traingles attached to the side, yeah? So imagine cutting off those 2 triangles. In the middle you have a rectangle with the dimensions of 14 cm by 16 cm. The area of that rectagle is 224 cm². By subtracting the top base length from the bottom base length, you get the length of the two triangles. So, it would be 28 cm - 14 cm, giving you 14 cm. There were 2 triangles, so cut that length in half and you get 7 cm for the base of one traingle. To find the area of 1 traingle, you would do 1/2 multiplied by 7 multiplied by 16. But you have 2 triangles. so the 1/2 step isn't needed because if you put the two triangles together, you get a new rectangle. Thus, when you add the area of this new rectangle, you get 112 cm². Add this to the original rectangle, and your final area is 336 cm².

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Answer:

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Step-by-step explanation:

In this case we can solve it using a 2x2 system of equations, like this:

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Replacing, we are left with that:

42.5 * (222.5 - 50.5 * y) /35.5 + 64 * y = 277

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64 * y - 60.45 * y = 277 - 266.37

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y = 10.63 / 3.55

y = 2.99, about 3

Now to calculate x:

x = (222.5 - 50.5 * 3) /35.5

x = 2

Which means that it has a total of 3 dogs and 2 cats.

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3 years ago
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