The larger of two supplementary angles exceeds the other by 18 degrees. Find the two angles.
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let the two angles be x and y
then, in a supplementary angle the sum is 180 then,
x+y=180....(1)
x-y=18....(2)
by elimination method
2x=198
x=99
then substituting the value of x
99+y=180
y=81
then, in a supplementary angle the sum is 180 then,
x+y=180....(1)
x-y=18....(2)
by elimination method
2x=198
x=99
then substituting the value of x
99+y=180
y=81
drew:
you can use various methods for it but acc. to me elimination is the easiest
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