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WITCHER [35]
2 years ago
10

Complete the table below.

Mathematics
1 answer:
Nana76 [90]2 years ago
7 0
Angle 1 is 122 degrees bc of vertical angle
Angle 2 is 87 degrees bc of alt ext angle converse
Angle 3 93 degrees
Angle 4 is 58 degrees
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Answer:

6. 60°

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Step-by-step explanation:

6. The sum of angles in a triangle is 180°, so the remaining angle is ...

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7. The lengths of sides are proportional to the sine of the opposite angle (Law of Sines).

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8. Same explanation as 7.

  b = c·sin(B)/sin(C) = 7·sin(80°)/sin(60°) ≈ 7.96011  

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