The area of a trapezoid is given by the formula: A = (1/2)×(b₁ +b₂)×h Substitute the given information and evaluate. A = (1/2)×(22 ft +20 ft)×(10 ft) A = (1/2)×(42 ft)×(10 ft) A = (21 ft)×(10 ft) A = 210 ft²
The area of the front wall of your shed is 210 ft².
