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vladimir1956 [14]
3 years ago
7

Please help me on this I need to show work too

Mathematics
1 answer:
Genrish500 [490]3 years ago
3 0

Okay, so all you need to do is to find the missing angle.

First, remember that all the angles of a triangle equal 180°. So if you know two of the angles, all you have to do is add them, then subtract the sum from 180.

1. 78 + 37 = 115     180 - 115 = 65   Do the same thing for each triangle and your answers are.

1. 65°   2. 34°    3. 67°    4. 58°

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