1. Daily Check (2 pts each)
Which point of concurrency is equidistant to the vertices of a triangle?
Which 2 points of concurrency are always inside the triangle? 13
3. Find the length of NP. 24

2. EOCT Practice
Question of the Day

3. What four things do we know about all parallelograms?
GPS Geometry Day 9 ( )
UNIT QUESTION: What are the properties and characteristics of polygons?
Standard: MM1G1.e.
Today’s Question:
What four things do we know about all parallelograms?
Standard: MM1G.1.e.

4. The prefix QUADR means 4.
Quadrant
Quadruple
Quadricepts
Quadrilateral

5. To name a quadrilateral...
list the vertices in order, like the
sweeping hands of a clock.
QUAD
UADQ U Q
ADQU A D
DQUA

6. Consecutive C B
Consecutive
Sides A D
One after the other

7. Consecutive C B
Consecutive
Vertices A D
One after the other

8. Segment with two nonconsecutive vertices
Diagonal C B A D
Segment with two nonconsecutive vertices

9. Find x.

10. Find x.

11. Washington, D.C. United States Capitol Washington Monument
Name the attraction that
is located on a diagonal.
Name the attractions that
are located on the vertices.
Washington Monument
Jefferson Memorial
White House
Lincoln Memorial

12. You MUST memorize (learn) the 5 properties of parallelograms.

13. Opposite angles are congruent
5-8 Parallelograms
Opposite angles are congruent

14. Consecutive angles are supplementary.
ADD UP TO 180
Consecutive angles are supplementary.

15. Opposite sides are congruent

16. Diagonals bisect each other.
This cuts the diagonals into two equal parts.

17. 23 K L 15 N M

18. 23 K L 15 N M

19. 23 K L 15 N M

20. K L P N M

21. Parallelogram
Workbook
Practice 5-8 #1-12

22. How do you know if you have one?

23. Is this a parallelogram?
How do you know for sure?

24. Is this a parallelogram?
How do you know for sure?

25. Is this a parallelogram?
How do you know for sure?

26. There are 6 different ways
1.BOTH pairs of opposite sides are parallel
2.BOTH pairs of opposite sides are congruent
3. BOTH pairs of opposite angles are congruent
4.ONE angle is supplementary to BOTH consecutive angles
5.diagonals BISECT each other
6. ONE pair of opposite sides are CONGRUENT & PARALLEL

27. Do you have enough information?
Yes
Yes 6 No
Yes

28. Do you have enough information?
50°
130°
Yes No
Yes
Yes

29. Workbook p. 324

30. Homework
p. 306 #1-9
p. 313 #1-10