More Lessons for Grade 9

Math Worksheets

Videos, worksheets, games and activities to help Geometry students learn about the properties of rhombuses, rectangles and squares.

Rhombuses, squares and rectangles are parallelograms with special properties.

A rhombus is a parallelogram with

(1) four congruent sides

(2) diagonals perpendicular

A rectangle is a parallelogram with

(1) two pairs of congruent sides

(2) diagonals that are congruent

(3) perpendicular diagonals that bisect each other

(4) diagonals that bisect each of the angles.

A square is a parallelogram with

(1) all angles that are right angles

(2) all sides are congruent

(3) all diagonals are perpendicular

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