2 answers:
Answer:
Option D
Step-by-step explanation:
<u><em>The measure of the exterior angle is equal to the sum og non-adjacent interior angle</em></u>
=> 105 = 55 + x
<em>Subtracting 55 to both sides </em>
=> x = 105-55
=> x = 50 degrees
Answer:
D. 50°
Step-by-step explanation:
Angles on a straight line add up to 180 degrees.
180 - 105 = 75
Angles in a triangle add up to 180 degrees.
180 - 55 - 75 = x
50 = x
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