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Rhombi & Squares. Section 8-5. rhombus – a quadrilateral with 4 congruent sides Since a rhombus is a parallelogram, it has all the properties of a parallelogram. Thms. 8-15, 8-16, & 8-17. The diagonals of a rhombus are perpendicular.
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Rhombi & Squares Section 8-5
rhombus – a quadrilateral with 4 congruent sides Since a rhombus is a parallelogram, it has all the properties of a parallelogram.
Thms. 8-15, 8-16, & 8-17 • The diagonals of a rhombus are perpendicular. • If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus. • Each diagonal of a rhombus bisects a pair of opposite angles.
Using a picture proof, a. prove the diagonals are perpendicular b. Each diagonal bisects a pair of opposite angles.
square – a quadrilateral with 4 right angles and 4 congruent sides A square is a special type of parallelogram that is also a rectangle and rhombus. It has all the characteristics of a parallelogram, a rectangle, and a rhombus.
parallelograms rectangles rhombi squares
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