Answer:
Step-by-step explanation:
<A = 180 - (63+90)
<A = 180 - 63 - 90
<A = 180 - (63+45+<B )
<A = 180 -63 -45 -<B
Answer: add all of them together to make 9
Step-by-step explanation:
hope this helps?????
These angles should add to 180 degrees because the angles are on a straight line so you should use the formula x=180-90-38. Therefore, x should be 52 degrees
