Answer:
21 m²
Step-by-step explanation:
Area of a trapezoid is given by the formula:
A = (a+b)/2×h
(where h is the vertcial height, and a and b are the parallel lines)
Substituting values given gives us:
A = (5+9)/2×3
A = 14/2×3
A = 7×3
A = 21
Units will be m² as this is area.
