Alicia drew these same-size game boards. She said that

1/2 of each game board is shaded.

Two rectangles are shown. The first is divided into two equal rectangles that are side-by-side. The second is divided into two equal rectangles, one on top of the other.

Is Alicia correct or incorrect? Explain your answer.

Select the answer and explanation from the drop-down menus to correctly complete the statement.

Alicia is
incorrect
because
Choose...

the two rectangles have different dimensions and therefore cannot be used to determine if her statement is true or false.