## Homework Hints 18-4

**[tippy title=”Problems 1-2″]Problems 1-2**

Remember the formula for the area of a rectangle: *A* = *lw*. See Example 1.[/tippy]

**[tippy title=”Problems 3-5″]Problems 3-5**

Remember, the formula for the area of a triangle is *A* = (1/2)*bh*. See … See the whole entry