1.

Two supplementry angles differ by 12 degree find the angle

Answer»

Let the two SUPPLEMENTARY ANGLES be x and y
X+y=180....1
X=y+12...2
Using substitution,
Y+12+y=180
2y=180-12=168
Y=168/2=84
X=84+12=96
So one angle is 84 and it's supplementary angle is 96 degrees

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