1. 9.5 Classifying Quadrilaterals
Objective: Classify quadrilaterals by their
angles and sides.
Mr. Williams
GESD
jwilliams@gesd40.org
1

2. Parallelogram
­ Quadrilateral
with 2 pairs of
parallel sides.
Image: 'Four Square (4)'
www.flickr.com/photos/23806189@N00/157589895
2

3. Rectangle
Parallelogram
with 4 right
angles.
Image: 'landscape architect9s door'
www.flickr.com/photos/55573153@N00/409568423
3

4. Rhombus
­ Parallelogram
with 4 sides of
equal length.
Image: 'Four Square (4)'
www.flickr.com/photos/23806189@N00/157589895
4

5. Square
Parallelogram
with 4 right
angles and 4
sides of equal
length.
Image: 'au carré...'
www.flickr.com/photos/29647247@N00/1877869197
5

6. Your Turn:
With your group work on:
pg. 446 Example 2
Then work on pg. 446
problems 1 ­ 3
Image: '50 minutes at a time'
www.flickr.com/photos/74998608@N00/1445409547
6