Answer:
94.5x cm^2
Step-by-step explanation:
!/2h(b1 +b2) = 1/2(7)(12x +15x) = 3.5(27x) = 94.5
If there’s a missing side you subtract the two know angles from 180*. Plug the two angles into the formula a+b+c=180*. i hope this helps :)
The answer is A I believe but I might be wrong.