Answer:
the unknown angle is 52 degrees
Step-by-step explanation:
one corner is a right angle so it is 90 degrees.
every triangle's angles add up to 180 degrees.
the unknown angle is 180-90-38=52 degrees
Answer:
53
Step-by-step explanation:
angles in a triangle = 180 degrees
90(right angle) + 38 = 128
180 - 128 = 52