1 Answer

Mark Hannel · Answer 1 · 2023-11-02T17:21:28+0000

Answer:

C. 28 cm²

Step-by-step explanation:

The area of a trapezoid is calculated using the formula:

Substitute the given values:

$\begin{gathered} A=(1)/(2)*4*(5+9) \\ =(1)/(2)*4*14 \\ =28\operatorname{cm}^2 \end{gathered}$

The correct choice is C.

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