1. r !!
Op ene
Complete the chart on your handout for parallelograms,
rectangles, rhombuses, and squares. Do not worry about marking
"how many pairs occur." (5 minutes)
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3. Homework Questions:
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4. 6.5 Conditions for Special Parallelograms
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5. X
W
Y
Z
How might you determine that XYZW is a rectangle?
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6. Conditions for Rectangles:
If a parallelogram has..
1.
2.
then it is a rectangle.
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7. Conditions for Rhombuses:
If a parallelogram has...
1.
2.
3.
then it is a rhombus.
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8. What if a parallelogram has a combination of the features of a
rectangle and a rhombus?
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9. Given: JKLM is a parallelogram K L
Segment JL bisects angle KJM and angle KLM. 3
Prove: JKLM is a rhombus. 4
1
2
J M
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10. The coordinates of three vertices of ll‐gram ABCD are given. Find
the coordinates of D so that a rectangle is formed.
A (4, ‐2), B (‐5, ‐2), C (4, 4)
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13. Homework:
• Complete pink handout
• Pg. 422 assignment from Assignment Sheet
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