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3 years ago

Someone please solve for angle B

Mathematics

1 answer:

qaws [65]3 years ago

5 0

Answer:

<B=45°

Step-by-step explanation:

<A=<B (alternate angles)

5x-15=2x+21

5x-2x=21+15

3x=36

Dividing both sides by 3

x=12

Now

<A=5(12)-15

=60-15

=45°

<B=2(12)+21

=24+21

=45°

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