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7-4 Areas of Trapezoids, Rhombuses and Kites M11.C.1

7-4 Areas of Trapezoids, Rhombuses and Kites M11.C.1. Objectives: To find the area of a trapezoid, rhombus or a kite. The height of a trapezoid is the perpendicular distances h between the bases. A = 1/2h(b₁ +b₂). Example: Find Area

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7-4 Areas of Trapezoids, Rhombuses and Kites M11.C.1

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  1. 7-4 Areas of Trapezoids, Rhombuses and KitesM11.C.1 Objectives: To find the area of a trapezoid, rhombus or a kite

  2. The height of a trapezoid is the perpendicular distances h between the bases. • A = 1/2h(b₁ +b₂)

  3. Example: Find Area • A car window is shaped like a trapezoid shown. Find the area of the window.

  4. Theorem: Area of a Rhombus or a Kite • The area of a rhombus or a kite is half the product of the lengths of its diagonals. • A = 1/2d₁d₂

  5. Example: Finding the Area of a Kite • Find the area of kite ABCD.

  6. Example: Find the Area of a Rhombus • Remember the properties of a rhombus!! • Find the area of rhombusEFGH.

  7. Homework • Handed-In • Page 376 #1-7, 14-21, 42, 43

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