Pick up your calculator as you come into the classroom. BELL RINGER 1.What do you know about the properties of a square? 2.What is a parallelogram? 3.What.

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Presentation transcript:

Pick up your calculator as you come into the classroom. BELL RINGER 1.What do you know about the properties of a square? 2.What is a parallelogram? 3.What is a quadrilateral? 4.What does congruent mean?

Properties of a square Quadrilateral Parallelogram  4 equal sides and 4 equal angles  Each angle is 90 degrees (a right angle)  Diagonals are equal in length and bisect  4-sided polygons (plane shapes that are formed by line segments that intersect only at the endpoints).  A quadrilateral with 2 pairs of parallel sides  Opposite sides are parallel and equal in length  Opposite angles are equal in measure

Congruent Sides Rhombus  Sides that are the same length  A quadrilateral with 4 congruent sides

A line segment that looks perpendicular but does not stay perpendicular when moved A point that looks like a midpoint and does not stay in the middle when dragged

WRAP UP What constructions were necessary to guarantee the square was “UnMessUpable”?

HOMEWORK Pg. 46 #10,11,12

Username: student1 Password: schurz

AS YOU TURN IN YOUR CALCULATORS, WRITE A SUMMARY ON THE BOTTOM OF YOUR NOTES AND TURN IN BEFORE YOU LEAVE.