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dlinn [17]
3 years ago
13

Gina looks at the architectural plan of a four-walled room in which the walls meet each other at right angles. The length of one

wall in the plan is 17 inches. The length of the diagonal of the floor of the room in the plan is approximately 18.79 inches.
Is the room in the shape of a square? Explain how you determined your answer. Show all your work.
Mathematics
2 answers:
Alja [10]3 years ago
8 0
No. A square has equal sides that are perpendicular and parallel. I'm guessing this room resembles some other figure.
disa [49]3 years ago
6 0
Your shape is a cube.
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The Eiffel Tower in Paris, France. Lizbeth is 5.5 feet tall. She looks up at an angle of elevation of 72° to see the top from 31
garri49 [273]

Answer:

The height of the Eiffel Tower will be 318 feet.

Step-by-step explanation:

Please check the attached graph.

From the diagram, it is clear that Lizbeth is 5.5 ft tall, seeing the top from 318 feet away, making an angle of elevation to be 72⁰.

The diagram makes a right-angled triangle.

  • Given the angle = Ф = 72⁰
  • Adjacent = a = 5.5 ft
  • Opposite = b = 318 ft
  • Hypotenuse = the height of the Eiffel Tower = c ?

Pythagorean Theorem:

For a right-angled triangle, with sides 'a' and 'b', the hypotenuse 'c' is defined as:

c=\sqrt{a^2+b^2}

  • a=5.5
  • b=318

c=\sqrt{5.5^2+318^2}

c=318 feet

Therefore, the height of the Eiffel Tower will be 318 feet.

3 0
2 years ago
Find the area and perimeter. The figure shows a triangle. One side is given by x minus 7 units. The second side is given by 2 x
Anuta_ua [19.1K]

Area of the triangle = 6x + 36

Perimeter of the rectangle = 3x + 10

<h3>How to Find the Area and Perimeter of a Triangle?</h3>

Given the following parameters of a triangle as shown in the image attached below, its area and perimeter is calculated as shown below?

Area of the triangle = 1/2(base)(height) = 1/2(12)(x + 6)

Area of the triangle = 6(x + 6)

Area of the triangle = 6x + 36

The perimeter of the triangle = sum of all the three sides of the given triangle = (x - 7) + (2x + 5) + (12)

Perimeter= x - 7 + 2x + 5 + 12

Add like terms

Perimeter= x + 2x  - 7 + 5 + 12

Perimeter= 3x + 10

Therefore, we have:

Area of the triangle = 6x + 36

Perimeter of the rectangle = 3x + 10

Learn more about the area and perimeter of a rectangle on:

brainly.com/question/24571594

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Julli [10]
Your answer is A because t=temperature and since the temperature is below -18.5 it would be a negative and your equation would be t< -18.5
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Each small square on the grid is 1 ft².
Shtirlitz [24]
The answer would be 50ft
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Is 1/11 rational or irrational
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The answer is irrational
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