Try another version of this question Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Eva is building a stage, which is shaped like a trapezoid. The bases are 4 and 7.8 yards, and the height is 9 yards. How many square yards large is the stage?
Enter DNE for Does Not Exist, oo for Infinity 53.1