Right angles are always 90 degrees. The answer is C.
Hope this helps.
Answer:
Exterior.
Step-by-step explanation:
A triangle has three sides. According to the theorem of exterior angles, the sum of two opposite interior angles is equal to the exterior angle of the triangle.
The sum of angle of triangle is equal to 180 degrees.
ATQ,
The measure of an <u>exterior</u> angle of a triangle is equal to the sum of the measures of its remote interior angles.
All you have to do is subtract 38 from 45 to get 7 as your answer.
