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Advocard [28]
3 years ago
11

Find the length of the third side. If necessary, write in simplest radical form.​

Mathematics
1 answer:
Aloiza [94]3 years ago
4 0

Answer:

\sqrt{13}

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

The square on the hypotenuse h is equal to the sum of the squares on the other 2 sides, that is

h² = 2² + 3² = 4 + 9 = 13 ( take square root of both sides )

h = \sqrt{13}

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2 years ago
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True or false Exterior angles are the angles created when the sides of the triangle are shortened.
Naddika [18.5K]

Answer:

The statement is false. Exterior angles are the angles created when the sides of the triangle are extended

Step-by-step explanation:

In order to find the exterior angle of a polygon, the side of the polygon is extended to go past the vertex of the polygon to form an angle adjacent and supplementary to the the interior angle of the polygon at the vertex of the polygon where the exterior angle is formed.

The sum of the exterior angle and the adjacent interior angle is equal to 180°

The exterior angle can also be described as being formed by one side of a polygon and an extension of the adjacent side to previous side of the same polygon and it can also be referred to as a turning or an external angle.

8 0
3 years ago
(10+-7 - -2) / (-2 - -1)
Scrat [10]

Nice use of brackets. We know exactly what you mean.

(10 - 7 + 2) / (-2 + 1) Notice that with an even number of - signs, you get a plus and with and odd number you get a minus.

(5) / (-1) = - 5 answer

Edit

Numerator

10 does not change.

+ - 7 Here a plus and a minus are put together. There is 1 minus sign which is an odd number of minus signs so the 7 is minus

- - 2 Here there are 2 minus signs. They become plus because 2 is even, and an even number of minuses become a plus so you have +2

10 - 7 + 2 = 5

Denominator

-2 does not change. It remains minus 2.

- - 1 There are 2 minus signs so this becomes plus 1.

- 2 + 1 = - 1

Numerator over denominator = 5/-1 = - 5. I'll probably run out of editing time. If you still don't understand, try and pinpoint the problem and we'll keep trying until you do see it. This question is worth it.

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3 years ago
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The equation <u>6 + 9a = 51</u> can help find out how many adults were in the group.

4 0
2 years ago
How many pounds are there in 2 and 1 over 4 tons? (1 ton = 2000 pounds)
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2 tons = 4000 pounds and so 1/4 ton = 500 pounds, so the answer is 4500 pounds
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3 years ago
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