Hey there!
Your area of a trapezoid
a = a + b / 2(h)
area = base + base / 2(height)
YOUR EQUATION:
area = 9 + 3 / 2(11)
area = 12/2(11)
area = 6(11)
area = 66
Thus, your answer is probably: 66
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
