Answer:
143
Step-by-step explanation:
A = [tex]\frac{Base1 + Base2}{2}[/tex] x h
A = [tex]\frac{8 + 18}{2}[/tex] x 11
A = [tex]\frac{26}{2}[/tex] x 11
A = 13 x 11
A = 143
none of the multiple choice are right, it's 143
use trapezoid formula
a+b
------- h
2
26
----- h
13×11= 143
