3 years ago

What is the answer to this?

Mathematics

1 answer:

andrey2020 [161]3 years ago

8 0

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 )

∠1 = 24°

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