What is the area of this trapezium

Answer:
66.5cm²
Step-by-step explanation:
Area of trapezium = [tex]\frac{1}{2}[/tex] (sum of parallel sides) × height
Let parallel side 1 = 12cm
parallel side 2 = 7cm
height = 7cm
Area = [tex]\frac{12 + 7}{2}[/tex] × 7 = 66.5cm²