Meli19001 Meli19001 02-02-2021 Mathematics contestada A formula for calculating A, the area of the trapezoid, A= 1/2 (b + b), where h is the height of the trapezoid, and b and b are the lengths of parallel sides. What is A when h = 4 centimeters, b = 10 centimeters, and b = 5 centimeters?