2 answers:
Answer:
- x + 42 + 58 = 180
- x + 100 = 180
- x = 80°
Answer:
x = 80°
Step-by-step explanation:
The measure of the angles of the inside of a triangle, when added result in 180°
58° + 42° + x = 180°
x = 180° - 42° - 58°
x = 80°
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