Answer:
45°
Step-by-step explanation:
three angles in a triangle sum up to 180
90° + a + a = 180°
90° + 2a = 180°
2a = 180°-90°
2a = 90°
a = 45°
Answer:
x^3-x^2-22x+10
Step-by-step explanation:
The answer is 1 hr 28 min. picture included for work. there are other ways to solve this