Transcript Chapter 10.2 Areas of Trapezoids, Rhombuses, and Kites

Chapter 10.2 Areas of Trapezoids,
Rhombuses, and Kites
Area of a Trapezoid
• The area of a trapezoid is half the product of
the height and the sum of the bases
A
1
2
h ( b1  b 2 )
Example #1
• Find the area of the trapezoid
5
7
20
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
2
d 1d 2
Example #2
• Find the area of a rhombus
5
3
3
5
Classwork
• Pgs 542-544 #2-32e