2 years ago

Are these 2 triangles congruent? 0 If no, type "not congruent" If yes, state what postulate or theorem proves it.

Mathematics

1 answer:

Novosadov [1.4K]2 years ago

6 0

Answer:

the triangles are congruent

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The hypotenuse of a right triangle measures 17 cm. One leg of the triangle measures 15 cm. Find the length of the other leg of t

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2 years ago

(csc x - 1) (csc x + 1)

victus00 [196]

<h2>Explanation:</h2>

Here we have the following expression:

$(csc x - 1) (csc x + 1)$

So we need to extend this. Remember that the difference of squares tells us:

$(a-b)(a+b)=a^2-b^2$

So here:

$a=cscx \\ \\ b=1$

Thus:

$(csc x - 1) (csc x + 1)=csc^2x-1 \\ \\ \\ But: \\ \\ cscx=\frac{1}{sinx} \\ \\ \\ Then: \\ \\ csc^2x-1=\frac{1}{sin^2x}-1=\frac{1-sin^2x}{sin^2x}=\frac{cos^2x}{sin^2x}=cot^2x \\ \\ \\ Finally: \\ \\ \boxed{(csc x - 1) (csc x + 1)=cot^2x}$

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2 years ago

Find the range of the data set 247, 366, 785, 997

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Range is the difference between the lowest and highest values.
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3 years ago

Read 2 more answers

Are these 2 triangles congruent? 0 If no, type "not congruent" If yes, state what postulate or theorem proves it.​

Are these 2 triangles congruent? 0 If no, type "not congruent" If yes, state what postulate or theorem proves it.