3 years ago

Which is complementary

Mathematics

2 answers:

charle [14.2K]3 years ago

3 0

Two complementary is 90 degrees. So the answer is B.

ella [17]3 years ago

3 0

Complementary angles are angles which add up to 90 degrees.

If we observe each given angle pairs given carefully onto the diagram provided, we can see that SXT and TXU are complementary, as when we add up their angles:

25 + 65 = 90

Since SXT and TXU add up to 90 degrees, we can confirm that this is indeed the answer. Therefore, B.

Hope this helped!

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List the sides of each triangle from shortest to greatest

Lelechka [254]

In every triangle, the largest side, is opposite the largest angle.

Also, the smallest side, is opposite the smallest angle.

a. $70^o\ \textgreater \ 60^o\ \textgreater \ 50^o$ so $|RQ|\ \textgreater \ |PR|\ \textgreater \ |PQ|$ ,

because RQ is opposite angle P, the largest,
PR is opposite angle Q , the middle
and PQ is opposite angle R, the smallest.

Greatest side: RQ

b. The sum of the measures of the interior angles of any triangle is 180°,

so

$m(A)+m(B)+m(C)=180^o\\\\50^o+45^o+x=180^o\\\\x=180^o-50^o-45^o=85^o$

thus, m(C) is the largest angle. This means the largest side is the side AB.

Answers:

a) RQ
b)AB

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Andru [333]

I think the mean is 35

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