Answer:
64cm^2
Step-by-step explanation:
Take the area of the trapazoid and subtract it from the area of the parrallagram.
A of trapaziod=1/2 h(b1+b2)
A of parrallelegram = bh
A of trapazoid=76cm^2
A of parralelegrtam = 12cm^2
76-12=64cm^2
