1. 10-2 Areas of Trapezoids, Rhombuses & Kites Objective: To find the area of a trapezoid, rhombus or kite Essential Understanding You can find the area of a trapezoid when you know its height and the lengths of its bases.

2. Review Terms & Formulas Area Base Height Theorem 10-2 Area of a Parallelogram Theorem 10-1 Area of a Rectangle A=bh Theorem 10-3 Area of a Triangle b h

3. b1b1 b2b2 h Theorem 10-4 Area of a Trapezoid The area of a trapezoid is half the product of the height and the sum of the bases.

4. 3cm 9cm 4cm What is the area of a trapezoid with height 4cm and bases 9cm and 3cm?

5. Theorem 10-5 The 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. How can I find the area of a rhombus or a kite?

6. Examples Find the area of each figure. 3 in 8 in 2 m 1 m4 m p. 626: 11-25, 29, 31 A = 12in 2 A = 10m 2