# U7 – Geometry

###### Unit 7 Geometric Relationships – 8 days
61

Classifying TrianglesClassifying PolygonsAngle Properties
62 7.1 Angle Relationships in Triangles

• #### Tuesday April 12. Hw. pg. 271 #

Completed in-class examples
63 7.2 & 7.3 Angle Relationships in Polygons :
Use the GSP file (angles in polygons)to demonstrate that the formula for the sum of the interior angles in a polygon is S = 180(n-2). Also classify polygons by the number of sides.

• Wednesday April 13 – HW pg. 391 #1-4

• Thursday April 14 – pg. 381 #5,7,12 & pg. 391 #15
Projector

65 7.4 Midpoints and Medians in Triangles
• Friday april 15 – Discuss Key concepts on page 397. Complete Example 1 with class. HW page 398 #1,2
• Monday April 18 Complete example 3 with class. Prior to completing the example discuss the following:

To help with the idea discuss counter-examples to the following statements:

1. all prime numbers are odd

2. any number divided by itself equals 1

3. any number to the power of 0, equals 1

4. a2 is always greater than a

5. if a > b, then a2 > b2

HW pg. 399 #3-9

66 7.5 Midpoints and Diagonals in Quadrilaterals
• Tuesday April 19 – Complete a note on key concepts from page 404. HWQuestions p. 405 #1,6,8,10
• Wednesday April 20 – Hw. pg. 405 #2,3,4,9,12

67

#### Chapter 7 Review

Thursday April 21st.

68 Summative Assessment Tuesday April 27Assignment: Individually students complete the assignment and hand-in before the end of class.
Assignment