7.7.4 Quadrilaterals.

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Presentation transcript:

7.7.4 Quadrilaterals

Vocabulary Quad = Four Lateral = Side Quadrilateral = Shape with four sides

Quadrilaterals Quadrilateral Trapezoid Parallelogram Kite

Quadrilaterals Quadrilateral – Shape with four sides Kite - Quadrilateral with two pairs of congruent adjacent sides and opposite sides that are not congruent Trapezoid - Quadrilateral with one pair of parallel side Parallelogram - Quadrilateral with opposite sides that are parallel and congruent

Parallelograms Parallelogram Rectangle Rhombus Square

Parallelograms Rhombus - Parallelogram with four congruent sides Square - Parallelogram with four equal sides and four right angles Rectangle - Parallelogram with four right angles

Quadrilateral Four-sided shape

Kite Quadrilateral with two pairs of congruent adjacent sides and opposite sides that are not congruent

Trapezoid Quadrilateral with one pair of parallel sides

Parallelogram Quadrilateral with opposite sides that are parallel and congruent

Rhombus Parallelogram with four congruent sides

Square Parallelogram with four equal sides and four right angles

Rectangle Parallelogram with four right angles

Classify the Quadrilateral

Classify the Quadrilateral Quadrilateral – Shape with four sides Kite - Quadrilateral with two pairs of congruent adjacent sides and opposite sides that are not congruent Trapezoid - Quadrilateral with one pair of parallel side Parallelogram - Quadrilateral with opposite sides that are parallel and congruent Rhombus - Parallelogram with four congruent sides Square - Parallelogram with four equal sides and four right angles Rectangle - Parallelogram with four right angles

Quadrilateral Angle Measurements NOTE: the 360° total of a quadrilateral makes sense: two triangles (angle total of 180°) placed next to each other make a quadrilateral. The four angles of ANY quadrilateral add up to be 360 degrees.

Your Turn! Find the Value of X

Drawing a Quadrilateral

Your Turn – Draw a Quadrilateral Draw a right trapezoid whose parallel sides have lengths of 3 centimeters and 5 centimeters.

Suggested Practice Page 296 (#5, 7, 10, 11, 12, 13, 15, 17, 18, 19, 20, 21, 22, 23)