finals next weekk D:

ten less than three times the complement of an angle is it supplement.

find the measure of the supplement?

2 answers

Write that as an equation. Let x be "the angle", so 180 -x will be the supplement.

The complement of x is 90-x

Your statement can be written:

3*(90 - x) -10 = 180 - x

Now solve that.
260 -3x = 180 - x
2x = 80
x = 40
So, what is the supplement of x?
supplement of x is 140?