The square root of 9 is 3 hope you find this helpful x
Answer: Similar figures are always the same shape, but not the same size. They have equal angles but not equal side lengths. Check out a big square and a small square. They're both squares because they have four sides and four equal angles, but the sides aren't the same length.
Step-by-step explanation:
Measure = 1/2 (120-30)
1/2(90)
45
Answer = 45°