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Someone please solve for angle B
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Someone please solve for angle B

Someone please solve for angle B-example-1
User Varis Darasirikul
by
3.2k points

1 Answer

2 votes

Answer:

<B=45°

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°

User Andrej Kaurin
by
3.9k points
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