Answer :
Answer:
C. 28 cm²
Explanation:
The area of a trapezoid is calculated using the formula:
[tex]A=\frac{1}{2}h(b_1+b_2)[/tex]Substitute the given values:
[tex]\begin{gathered} A=\frac{1}{2}\times4\times(5+9) \\ =\frac{1}{2}\times4\times14 \\ =28\operatorname{cm}^2 \end{gathered}[/tex]The correct choice is C.