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IgorLugansk [536]
3 years ago
8

It wont let me post a picture of the angles but they are verticle angles and the equations are (3x+8), (5x-40) and it says find

m ABC.
The choices are 24, 56, 80, 90
Mathematics
1 answer:
____ [38]3 years ago
8 0
Vertical angles are equal

5x - 40 = 3x + 8
5x - 3x = 8 + 40
2x = 48
x = 48/2
x = 24

m∠ABC = 3x + 8 = 3 * 24 + 8 = 80°

(or m∠ABC = 5x - 40 = 5 * 24 - 40 = 80°)
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