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Hoochie [10]
4 years ago
6

What formula do you use to prove that a triangle is a right triangle?

Mathematics
1 answer:
nata0808 [166]4 years ago
8 0
If you have the length of each side, apply the pythagorean theorem to the triangle. If you get a true statement, then you can be sure that you do indeed have a right triangle. If you get a false statement then you can be sure that your triangle is not a right triangle. 
Pythagorean therem is : A squared + B squared = C squared
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laiz [17]

Answer:

a) AB = 17 m

b) AC = 20.8 m

Step-by-step explanation:

Pythagorean theorem

a^2 + b^2 = c^2

a)

AB^2 = (26-11)^2 + 8^2

AB^2 = 15^2 + 8^2

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b)

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Answer:

y = 3,224x + 750

Step-by-step explanation:

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8 0
3 years ago
If PQR ~ UTV, find the value of x.
user100 [1]

The value of x is 15.

Solution:

Given ΔPQR \sim ΔUTV.

<em>If two triangles are similar, then the corresponding parts are congruent.</em>

$\Rightarrow \frac{PR}{UV} =\frac{RQ}{VT}

$\Rightarrow \frac{14}{x + 6} =\frac{8}{x -3}

Do cross multiplication, we get

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Add 42 on both sides.

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Subtract 8x on both sides.

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Divide by 6 on both sides.

⇒ x = 15

The value of x is 15.

5 0
3 years ago
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