Answer:
12 cm²
Step-by-step explanation:
The area (A) of a trapezoid is calculated using the formula
A = [tex]\frac{1}{2}[/tex] h(a + b)
where h is the height and a, b the parallel bases
here h = 3, a = 3 and b = 5, hence
A = [tex]\frac{1}{2}[/tex] × 3 (3 + 5) = 1.5 × 8 = 12 cm²
