Mathematical Problem Solving Techniques

A rectangle is a quadrilateral with two sets of parallel sides and 4 right angles.

The opposite sides of a parallelogram are congruent.

Multiply by 7 on both sides of the equal sign.

A circle graph (or pie chart) represents data in parts of a whole.

A trapezoid is a quadrilateral with at least one pair of parallel sides.

The area of a rectangle is calculated as length × width.

A bar graph is used to compare different categories of data.

Two angles are supplementary if their measures add up to 180 degrees.

A square is a rectangle with all four sides of equal length.

A parallelogram is a quadrilateral with two sets of parallel sides.