Question

The degree measure of the vertex angle is (7x-27)degree.the degree measure for each base angle is (9x-34) degree.what is the value of one base angle

Answer 1

sum of all angles =180
$(7x - 27) + 2(9x - 34) = 180 \\ 7x + 18x - 27 - 68 = 0 \\ 25x = 95$
put value of x