Answer:
∠1 = 24°
Step-by-step explanation:
∠ABD = ∠ABC + ∠CBD
∠2 = ∠1 + 33 , thus
∠1 + 33 + ∠1 = 81
2∠1 + 33 = 81 ( subtract 33 from both sides )
2∠1 = 48 ( divide both sides by 2 )
