Answer:
∠ 1 = 85° and ∠ 2 = 5°
Explanation:
See the given figure attached.
Here, ∠ 1 = 5x and ∠ 2 = x - 12.
Now, ∠ 1 and ∠ 2 together form 90°.
So, 5x + x - 12 = 90
⇒ 6x = 102
⇒ x = 17
Therefore, ∠ 1 = 5x = 5(17) = 85° and
∠ 2 = x - 12 = 17 - 12 = 5° (Answer)