Answer:
sup
Step-by-step explanation:
x + 3 + 45° = 180°. isosceles triangle
x = 180° - 45°-3°
x = 132°
90° + x = 180°
x =180° - 90°
x = 90°
Answer: 66%
I took the test on khan.
I'm pretty sure it's 1,1.