Answer:
90
Step-by-step explanation:
x + 3 + 45° = 180°. isosceles triangle
x = 180° - 45°-3°
x = 132°
90° + x = 180°
x =180° - 90°
x = 90°
5.4
hope this helps
x+3 over (x-3)(x-2)(x-4)