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Aleonysh [2.5K]
2 years ago
7

This trapezoid is made up of two right triangles and one rectangle.

Mathematics
1 answer:
artcher [175]2 years ago
5 0

9514 1404 393

Answer:

  • each triangle: 29.75 in²
  • rectangle: 374 in²
  • total area: 433.5 in²

Step-by-step explanation:

The base of each triangle is half the difference between the bases of the trapezoid:

  (29 in -22 in)/2 = 7 in/2 = 3.5 in

The area of the triangle is given by the formula ...

  A = 1/2bh

  A = 1/2(3.5 in)(17 in) = 29.75 in² . . . triangle area

__

The area of the central rectangle is the product of its base and height.

  A = bh = (22 in)(17 in) = 374 in² . . . rectangle area

__

The total area of the trapezoid is the sum of the areas of the two triangles and the area of the rectangle.

  total area = 2(29.75 in²) + 374 in² = 433.5 in² . . . total trapezoid area

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Steps:

We set the equation to:

3x+13+7x+2+75=180

We can combine some terms

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Then, we isolate x

10x=90

And we divide by 10

x=9

Great! but we are not done yet. We want the measure of angle A, so we need to plug x back into the equation for angle a

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2 years ago
Hello, could you help me with my math exercise? thank you in advance
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Explanation:

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3 years ago
Read 2 more answers
A frame designer is making a triangular frame. She has two sides of length 18 inches and 27 inches. What are the possible length
zlopas [31]

Answer:

Therefore, the possible lengths (in whole inches) for the third side is

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Step-by-step explanation:

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Hence:

She has two sides of length 18 inches and 27 inches

Let the third side = x

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3 years ago
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sveticcg [70]

Answer:

see below

Step-by-step explanation:

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b. passes through (1,-4) and (2,-5)

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6 0
3 years ago
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Walter = 22/4 = 5.5 baskets per hour
according to this Jack had the greatest productivity
6 0
3 years ago
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