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Rectangles, Rhombi & Squares (G.9)

Obj : SWBAT apply the properties of rectangles, rhombi & squares (6.4/6.5). Rectangles, Rhombi & Squares (G.9). WU: Obj G.7 sol questions- graded! *hw/hw log/” Quadrilateral cardstock Foldable. HW (day 48): p. 379 (7-30 odd) Bring Graph Paper!!! Pearsonsuccess.net (due Friday).

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Rectangles, Rhombi & Squares (G.9)

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  1. Obj: SWBAT apply the properties of rectangles, rhombi & squares (6.4/6.5) Rectangles, Rhombi & Squares (G.9) WU: Obj G.7 sol questions- graded! *hw/hw log/” Quadrilateral cardstock Foldable HW (day 48): • p. 379 (7-30 odd) • Bring Graph Paper!!! • Pearsonsuccess.net (due Friday)

  2. Copy this into your SOL Binder (day 48) Answer: C

  3. Foldable Time……Rectangles, Rhombi, Squares, Trapezoids and Isosceles Trapezoids Practice: Rectangles, Rhombi & Squares

  4. A rectangle is a quadrilateral with 4 right angles. Thm: If a parallelogram is a rectangle, then the diagonals are congruent. Properties of a Rectangle: • Opposite sides are ≅ and || • Opposite ∠s are ≅ • Consecutive ∠s are supplementary • Diagonals are ≅ and bisect each other • All four ∠s are right ∠s

  5. Th: If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle.

  6. A rhombus is a quadrilateral with all 4 sides congruent. Thm: The diagonals of a rhombus are perpendicular. Thm: The converse is also true: If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus. If BD⊥AC, then □ABCD is a rhombus.

  7. Thm: Each diagonal of a rhombus bisects a pair of opposite angles. If a quadrilateral is both a rhombus and a rectangle, it is a square. A square is a quadrilateral with four right angles and four congruent sides.

  8. Match the Answer with the question. 1. Find the distance from A to B for A is –3 and B is 9? 2. Find the midpoint of DC for D is (3,4) and C is (-2,4)? 3. Find the distance from E to F for E is (7,-1) and F is (10,3)? 4. If H is between GI and GH is 9 and GI is 25, what is the length of HI? 5. If you add segments MN + NP + PR, what is the name of the resulting segment? Answers: 5 or square root of 25, 12, MR, (0.5, 4), 16

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