Answer:
83
Step-by-step explanation:
Angle 7 & angle 8 are supplementary angles, meaning they add up to 180º.
Angle 8 & angle 12 are corresponding angles, so they are equal.
If we solve for the measure of angle 8, it will be the same answer as angle 12.
Therefore, angle 7 & angle 12 add up to 180º.
80 + (x+17) = 180
Solve:
(80-80) + (x+17) = 180-80
X+17 = 100
X + (17-17) = 100-17
X = 83
Step-by-step explanation:
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Answer:
Step-by-step explanation:
x-13≤15
x≤28
(32*31/1*2)-2 = 494 diagonals