3 years ago

Helppppp meeee plzzzzz

Mathematics

2 answers:

Dima020 [189]3 years ago

6 0

Answer:

have to multiple

Step-by-step explanation:

andrew-mc [135]3 years ago

3 0

Answer:

∠B = 41°

Step-by-step explanation:

∠BCD is an exterior angle of the triangle

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠A and ∠ B are the 2 opposite interior angles, hence

∠A + ∠B = 113, that is

72 + ∠B = 113 ( subtract 72 from both sides )

∠B = 41°

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