Section 6'4: Special Parallelograms

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Section 6.4 Special Parallelograms

• TSWBAT
• Use properties of diagonals of rhombuses and
  rectangles.
• Classify a parallelogram as a rhombus, rectangle
  or square.

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Remember! Properties of a Parallelogram??

• Opposite sides Parallel
• Opposite sides Congruent
• Opposite Angles Congruent
• Consecutive Angle Supplementary
• Diagonals Bisect each other

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Theorems 6.9 to 6.14
Need to MEMORIZE this chart!
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Rhombus Examples (p315)
Find the measure of each numbered angle in the
following Rhombuses.
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YOU TRY p3154, 6, 7, 9
These are Rhombuses
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Rectangle Examples (p315)

• LMNP is a Rectangle
• 12. LN 3x 1 and MP 8x 4
• 13. LN 9x 14 and MP 7x 4

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Prove Diagonals are Perpendicular in a Rhombus
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Examples with Algebra p317
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Exercises

• Page 315 2-14 even
• Page 317 57-60
• Page 318 67-76
• WB page 70