Answer:
100°
Step-by-step explanation:
two angles are supplement .
if their sum is equal to 180°
supplement angle of 80° + x = 180°
180° - 80° = 100° answer
Angle g would be congruent/equal to itself because of verticals angles theorem. i hope that helped a bit
Whats the problem? just substitute. For example: 3x-5 if x=4 so what you do is this; 3(4)-5=7
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If this is all multiplication
145.8
