# Writing Algebraic Expressions

#### Practice writing Algebraic expressions to represent the area of triangles to find the area of the shaded region.

Finding the area of a shaded region involves subtracting the area of one or more non-shaded regions from the total area of the figure. The specific method depends on the type of figure you're dealing with. Here are some common examples:

1. Rectangles and Squares:

• If you have a rectangle or square with a smaller shaded rectangle or square inside it, you find the area of the shaded region by subtracting the smaller area from the larger one.

2. Circles:

• If you have a circle with a smaller circle inside it or a sector missing, find the area of the smaller circle or sector and subtract it from the area of the larger circle.

3. Triangles:

• For triangles, the shaded region is often found by subtracting the area of a smaller triangle or other shapes from the total area of the larger triangle.

4. Composite Figures:

• If you have a complex figure made up of different shapes, break it down into simpler shapes, find the area of each, and then sum or subtract them to find the total shaded area.