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Delvig [45]
2 years ago
9

A triangle contains angles mesuring 28 degrees and 37 degrees. How many degrees is the third angle?​

Mathematics
1 answer:
Orlov [11]2 years ago
8 0

Answer:

  • 115°

Step-by-step explanation:

<u>We know that:</u>

  • Angles ∠A and ∠B are 28° and 37°.

<u>We don't know:</u>

  • Angle ∠C's angle

<u>So, we do this:</u>

  • Add the 180°
  • Solve the equation 180 - 28 - 37

<u>Solve:</u>

  • 180 - 28
  • = 152 - 37
  • = 115.

Angle ∠C is 115°.

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Hello!

Substitute 7 for x in the equation.

<h3>Evaluate</h3>
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