October 5th, 2009 Monday

Bell Ringer 1.9 Notes Cornell StyleTi-NSpire ActivityHomework Tonight

Start in your notebooks………10/05

BELL RINGER1.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 = angles Each angle is 90° (right <s) Diagonals are = 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 || sides

Opp. sides are || & = in length Opp. <s are = in measure

Next to, neighboring

A parallelogram with 4 congruent sides

Congruent sides

Adjacent

Rhombus

Sides that are the same length

Pg. 42

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

Ex:

Ex:

BRING UP YOUR CALCULATORS, WRITE A SUMMARY ON THE BOTTOM OF YOUR

NOTES AND TURN IN BEFORE YOU LEAVE.

Homework tonight can be found online

HOMEWORK due tomorrow

Pg. 46 #10,11,12

Write detailed directions that describe the construction process of an UnMessUpable Square.