1. Warm up: What is the area of the parallelogram?
A triangular window pane is 4 feet 8 inches wide and 3 feet 6 inches high. What is the area of the window pane? Round to the nearest tenth square foot if necessary.
What is the area of the figure below?

2. 10.2 - Areas of Trapezoids, Rhombuses, and Kites
I can find the area of a trapezoid, rhombus, or kite.

3. You can find the area of a trapezoid when you know its height and the lengths of its bases.
The area of a trapezoid is half the product of the height and the sum of the bases.
A = 1/2h( 𝑏 𝑏 2 )

4. Problem: Area of a Trapezoid
What is the approximate area of Nevada?

5. Problem: Area of a Trapezoid
What is the area of a trapezoid with height 7 cm and bases 12cm and 15 cm?

6. Problem: Finding Area Using a Right Triangle
What is the area of trapezoid PQRS?

7. Problem: Finding Area Using a Right Triangle
In Problem 2, suppose h decreases so that m<P = 45 while angles R and Q and the bases stay the same. What is the area of trapezoid PQRS?

8. Problem: Area of a Trapezoid
What is the area of the trapezoid below?

9. Area of a Rhombus or a Kite
You can find the area of a rhombus or a kite when you know the lengths of its diagonals.
Area of a Rhombus or a Kite

10. Problem: Finding the Area of a Kite
What is the area of kite KLMN?

11. Problem: Finding the Area of a Kite
What is the area of a kite with diagonals that are 12 in. and 9 in. long?

12. Problem: Finding the Area of a Kite
What is the area of kite ABCD?

13. Problem: Finding the Area of a Rhombus
The High Occupancy Vehicle (HOV) land is marked by a series of “diamonds”, or rhombuses painted on the pavement. What is the area of the HOV lane diamond shown at the right?

14. Problem: Finding the Area of a Rhombus
A rhombus has sides 10 cm long. If the longer diagonal is 16 cm, what is the area of the rhombus?

15. Problem: Finding the Area of a Rhombus
What is the area of the rhombus below?

16. After: Lesson Check
Find the area of each figure.

17. Homework:
Page 626, #12-32 even