6.4 Rhombuses, rectangles, squares

6.4 Rhombuses, rectangles, squares - iff it has 4 rt s...

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6.4 Rhombuses, Rectangles and Squares Pg 347
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Special Parallelograms Rhombus - a ||’ogram with 4 2245 sides Rectangle - a ||’ogram with 4 rt s. Square- a ||’ogram with 4 2245 sides and 4 rt s
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So far : (we’ll add more later) Quadrilaterals _ parallelograms rhombus rectangle square
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Example sometimes, always, never A rhombus is a rectangle. Sometimes, if it is also a square A parallelogram is a rectangle. Sometimes, if is has 4 rt ‘s A square is a rhombus. Always A rectangle is a square. Sometimes, if it has 4 2245 sides
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Corollaries Rhombus corollary- a quad is a rhombus iff it has 4 2245 sides. Rectangle corollary- a quad is a rectangle
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Unformatted text preview: iff it has 4 rt s Square corollary-a quad is a square iff it is a rhombus and a rectangle. Thm 6.11 A parallelogram is a rhombus iff its diagonals are . J K L M __ If seg JL seg KM, then JKLM is a rhombus. If JKLM is a rhombus, then seg JL seg KM Thm 6.12 A ||ogram is a rhombus iff each diagonal bisects a pair of opposite s. A B C D ) ( )) (( Thm 6.13 A ||ogram is a rect iff its diagonals are 2245 . Q R S T If QRST is a rectangle then seg QS 2245 seg RT If seg QS 2245 seg RT then QRST is a rectangle. Assignment Assignment...
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This note was uploaded on 02/12/2011 for the course MTG 3212 taught by Professor Jackson during the Spring '11 term at University of Florida.

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6.4 Rhombuses, rectangles, squares - iff it has 4 rt s...

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