**Base and Height**

Half of base times height

*Note: Problems 12.1–12.3 refer to the diagram below, rectangle ABCD in the coordinate plane with length 6 and width 4.*

**12.1** Calculate the area of the rectangle by counting the square units bounded by its sides.

The rectangle has a length of 6 and a width—or height—of 4, so it is comprised of four rows of six square units, each numbered individually in the following diagram. Thus, its area is 6 · 4 = 24 square units.

The area *A* of a rectangle with length *l* and width *w* is *A* = *lw*.

*Note: Problems 12.1–12.3 ...*

Start Free Trial

No credit card required