Answer:
45 degrees.
Step-by-step explanation:
The exterior angle = sum of the 2 opposite interior angles.
2x = x + 45
2x - x = 45
x = 45.
x = 45 degrees
<u><em>The measure of exterior angles is equal to the sum of non-adjacent interior angles</em></u>
=> 2x = x+45
=> 2x-x = 45
=> x = 45 degrees
The answer is B.
Answer: y =21
Step-by-step explanati