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ArbitrLikvidat [17]
2 years ago
12

I need help asapppppp

Mathematics
2 answers:
aivan3 [116]2 years ago
4 0

Answer:

A

Step-by-step explanation:

Supplementary angles are angles that add up to 180 degrees. Essentially, you can make a straight line with them.

1 and 7 are supplementary

1 and 4 are verticle, so no.

2 and 6 are complementary, so no.

3 and 6 are complementary, so no.

Nataly [62]2 years ago
3 0
The answer Is A I need help for algebra if you know algebra please help me
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Answer:

B


Step-by-step explanation:

<u>This is a right triangle as shown by the right angle.</u>

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So we have the opposite of A and the hypotenuse.

The trigonometric ratio that relates opposite side to hypotenuse is SINE.

sin\theta=\frac{opposite}{hypotenuse}

Since, we need angle A, \theta is A, opposite side is 3, and hypotenuse is 9, we substitute:

sinA=\frac{3}{9}\\sinA=\frac{1}{3}

<em>To solve for the angle, we use our calculator and find the inverse sin of \frac{1}{3} :</em>

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<em>Rounding to nearest tenth of a degree:</em>

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B is the right choice.

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Hope this is right :)

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