Question

What is the answer to this?

Answer 1

∠1 = 24°

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 )

∠1 = 24°