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bearhunter [10]
3 years ago
6

Please answer! I need help

Mathematics
1 answer:
Nikitich [7]3 years ago
7 0

Answer:

1. a. 25 in²

2. NO. The side lengths don't form a triangle, so cannot form a right triangle.

3. 17

4. 9

Step-by-step explanation:

These are exercises in the application of the Pythagorean theorem, which tells you that for a right triangle, the square of the hypotenuse is the sum of the squares of the other two sides.

In every case, you are given two sides and asked to find the third. Based on the given sides, you need to determine whether you're finding a sum (the hypotenuse) or a difference (one leg).

Since the theorem gives the relation between the squares, you need to find the square root of the sum or difference in order to find the actual length.

_____

In the first problem, the squares are shown as actual squares, the area of which is equal to the square of the side length. The Pythagorean theorem tells you the larger square has an area that is the sum of the areas of the smaller squares.

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yuradex [85]

Answer:

∠ 2 = 75° , ∠ 1 = 105°

Step-by-step explanation:

∠ 2 and 75° are alternate angles and are congruent , then

∠ 2 = 75°

∠ 1 and ∠ 2 are a linear pair and sum to 180° , that is

∠ 1 + ∠ 2 = 180°

∠ 1 + 75° = 180° ( subtract 75° from both sides )

∠ 1 = 105°

3 0
1 year ago
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Stolb23 [73]

Answer:

3

Step-by-step explanation:

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7 0
2 years ago
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musickatia [10]

Answer:

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Step-by-step explanation:

If the left side is 18 and the number above it is half that aka 9 then the other side is 10

8 0
2 years ago
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nalin [4]

Answer:

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5 0
2 years ago
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Serga [27]

Answer:

6264

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
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