Given the following angles of a regular polygon, 120°. (3x+5), (x)°, 45°, 1359, (X-45), and (5x), what is the value of x

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?