Cara and Beeja make a poster for school. The poster is in the shape of a rectangle. The left of the poster measures 7 units;the top side of the poster measures 6 units. What is the area in square units of the complete poster?
To find the area of a rectangle, we simply multiply the length by the width.
In this case, the length (left side) is 7 units and the width (top side) is 6 units.
So the area is:
7 units x 6 units = 42 square units
Therefore, the area of the complete poster is 42 square units.