Use the figure to complete the proportion
1 answer:
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ANSWER
12
EXPLANATION
Two expressions for the angles in terms of x are given,
The first one is (10x-20)°
The second one is (6x+8)°
The two angles are angles on a straight line.
The sum of angles on a straight line is 180°.
This implies that,
Group similar terms,
Combine like terms:
Therefore the value of x is 12