Angle A and B is supplementary.then angle A=3x-10and angle B=2x+10so find angle A and B.
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A + B = 180°. | supplementary angel prop
x+10 +X-10= 180
2x + 0=180
x = 180/2
x=90
now value of x is 90 but its value in a and b
a = X + 10
90+10
a =100
b =. x - 10
90-10
80
a =. 100
b= 80
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Step-by-step explanation:
a=80 b=100 this is the answer to the question
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