9514 1404 393
Answer:
x = 22°
Step-by-step explanation:
The interior angles in a triangle total 180°.
x + a + 90° = 180°
When we subtract 90° from both sides of this equation, we find ...
x + a = 90° . . . . . . . . the acute angles are complementary.
x = 90° -a = 90° -68°
x = 22°
