Question

4. Find x. Write a justification for each step. Given: MZAOC 10x7, MZAOB 5.x, mzCOB = 4x + 6

Answer 1

We are given the measures of three angles.

COB = 4 x + 6

AOC = 10 x - 7

and AOB = 5 x

But the angle AOC =