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Makovka662 [10]
3 years ago
12

Is ABC ~ DEF? If so, name which similarity postulate or theorem applies?

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0
It’s either A A or sad
Margarita [4]3 years ago
3 0

These triangles are similar because 2 pairs of angles are equal. I'm not very familiar with the acronyms in the list but I guess it must be AA.

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if a right triangle has lengths 99 inches, 101 inches and 20 inches, what is the length of the hypotenuse
Anna35 [415]

Answer:

The hypotenuse is 10201

Step-by-step explanation:

20^2+99^2=101^2

400+9801=10201

10201=10201

5 0
2 years ago
Find the area of the following rectangle (the figure is not drawn to scale)
Sophie [7]

Answer:

<h2>204 units²</h2>

Step-by-step explanation:

It's a rectangle. Therefore the opposite sides are congruent.

We have the equation:

2x + 4 = 12              <em>subtract 4 from both sides</em>

2x = 8       <em>divide both sides by 2</em>

x = 4

Put the value of x to the expression 4x + 1:

4(4) + 1 = 16 + 1 = 17

Therefore we have the rectangle with dimesions 17 × 12.

The area of the rectangle:

A = (17)(12) = 204

8 0
3 years ago
The water level is 8 feet below your dock.
mars1129 [50]

Step-by-step explanation:

The water level is 8 feet below your dock.

The tide goes out, and the water level lowers

2 foot. A storm surge comes in, and the

water level rises 3 feet. Write an addition

expression to find the new water level.

7 0
2 years ago
Which person has more potential energy? Noah who jumped out of the plane at 100 m or Clara at 50 m in the air? Explain.
olga_2 [115]

Answer:

Noah

Step-by-step explanation:

Potential energy is the amount of energy that can be transfered to kinetic. This means that the higher person will have more potential energy.

4 0
2 years ago
Find the measure of angle A
Gre4nikov [31]

Answer:

21 degrees

Step-by-step explanation:

Triangles have a total angle of 180 degrees.

This makes our equation:

3x+3+4x+135=180

Subtract 135 from both sides and combine like terms

7x + 3 = 45

Subtract 3 from both sides

7x = 42

Divide both sides by 7

x = 6

Plugging the number in:

3x + 3 =

3(6) + 3 =

21

7 0
2 years ago
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