Answer:
60
Step-by-step explanation:
90-30 = 60
Remember, Complementary angles always = 90°
Supplementary always equals 180°
4÷4.5=0.89
good luck if you need to work shown just let me know
Substitute it in with the pythagorean theorem. you’ll end up getting 6^2 + 12^2 + 13^2. this equation isn't true though, because 6^2 + 12^2 = 36 + 144 = 180 and 13^2 = 169.
