Answer:
39° and 51°
Explanation:
The angle formed by 1 and 2 is a right angle = 90°, thus
∠1 + ∠2 = 90 ← substitute values
x + 22 + 3x = 90
4x + 22 = 90 ( subtract 22 from both sides )
4x = 68 ( divide both sides by 4 )
x = 17
Hence
∠1 = x + 22 = 17 + 22 = 39°
∠2 = 3x = 3 × 17 = 51°