Question

1. what is the area of the shaded region?

Explanation:

Step1: Count the total number of small squares

There are \(3\times9 = 27\) small squares in total.

Step2: Count the number of shaded small squares

There are \(2\times9=18\) shaded small squares.
Assume the area of each small square is \(1\) unit².

Answer:

The area of the shaded region is \(18\) unit².