Answer:
∠1 = 65°, ∠2 = 25°
Step-by-step explanation:
∠1 = ∠2 + 40 The first equation
∠1 + ∠2 = 90 The second equation
∠2 + 40 + ∠2 = 90 Plug ∠1 with ∠2 + 40
2∠2 = 50
∠2 = 25
∠1 = 25 + 40 = 65 Plug ∠2 with 25 to get the value of ∠1
