ILL GIVE BRAINLEST WHO EVER ANSWERS FIRST!!!!!! AND 29 POINTS!!!!!!!Members of art club paint mural on a large wall that is shaped like a trapezoid. One base of the trapezoid is 20 feet long and the other base is half that length. A gallon of the paint they use covers 300 square feet. They all use but 1/5 of one gallon of the paint. What is the height of the wall? Complete the explanation. The area of the trapezoid is ____ square feet . The lengths of the bases are 20 feet and ___ feet. The height of the trapezoid is ___ feet