Question

< - Angle sign.

If <A and <B are supplementary angles and m<B = ( x + 20 )°, then what would be m<A ?

Please answer with explanation.

Really important.
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Answer 1

Answer:

80

Step-by-step explanation:

angle B=x+20 and let angle A=x then B+A =x+20+x=2x+20=180(supplementary) x=180-20 upon 2= 80 therefore,A=80&B=80+20=100, I hope it will be useful for u