1 year ago

Can i get some help about this image please?

Mathematics

1 answer:

melomori [17]1 year ago

5 0

Answer:

B=45

Step-by-step explanation:

let the supplamentary angle of <A is <d

180-A=d

180-135=d

45=d

90+d+B=180

90+45+B=180

135+B=180

B=180-135

B=45

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