Please help me solve this Problem

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

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?