Percent = 75%
base = unknown ...the base is the number that follows " of "
amount = 30
Answer: whats the question?
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
The sum of angles in a triangle is 180°. Therefore,
x - 11 + 48 + 90 = 180
x + 127 = 180
x = 53°