Question

which equation is the total area for the unit? 5×9 7×3 5×13

Explanation:

Step1: Count vertical grid units

The vertical side has 5 unit squares.

Step2: Count horizontal grid units

The horizontal side has 9 unit squares.

Step3: Calculate total area

Area of a rectangle is $\text{length} \times \text{width}$.
Expression: $5 \times 9$

Answer:

1. $5 \times 9$