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Notes 71 Area of Trapezoids, Rhombuses and Kites 11.2

Notes 71 Area of Trapezoids, Rhombuses and Kites 11.2. Theorem 11.4. Area of a Trapezoid The area of a trapezoid is one half the product of the height and the sum of the lengths of the bases. A = ½ h(b 1 + b 2 ). Theorem 11.5. Area of a Rhombus

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Notes 71 Area of Trapezoids, Rhombuses and Kites 11.2

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  1. Notes 71 Area of Trapezoids, Rhombuses and Kites 11.2

  2. Theorem 11.4 Area of a Trapezoid The area of a trapezoid is one half the product of the height and the sum of the lengths of the bases. A = ½ h(b1 + b2)

  3. Theorem 11.5 Area of a Rhombus The area of a rhombus is one half the product of the lengths of its diagonals. A = ½ d1d2

  4. Theorem 11.6 Area of a Kite The area of a kite is one half the product of the lengths of its diagonals. A = ½ d1d2

  5. Examples 1. Find the area of the trapezoid.

  6. Examples Find the area of the rhombus or kite 2. 3.

  7. Examples 4. Find the value of x.

  8. Examples 5. Find the area of the shaded region.

  9. Independent Practice #1 Find the area of the trapezoid

  10. Independent Practice #2 Find the value of x.

  11. Independent Practice #3 Find the lengths of the bases of the trapezoid that is described. The height is 5 meters. One base is three times as long as the other base. The area is 70 square meters.

  12. Independent Practice #4 Find the area of the shaded region.

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