Answer:
34cm²
Step-by-step explanation:
A = 1/2 ([tex]b_{1}[/tex] + [tex]b_{2}[/tex]) h
A = 1/2 (5 + 12) 4
A = (2.5 + 6) 4
A = (8.5) 4
A = 34
Hope this helps :D
