Module 2: Trapezoids, Kites, and Related Figures
Area of a Trapezoid
Method 1: Double and Flip
b1
h
b2
Method 2: The Median
b1
b2
Examples
1. Find the area and perimeter of an isosceles trapezoid with lower base 18, upper base 4 and lower base angle of 120 degrees?
2. Given an isosceles trapezoid with a smaller base of 2, a perimeter of 70 and
acute base angles of 60 degrees, find the trapezoid's area.
1
Kites & Related Figures
Name 3 quads with perpendicular diagonals
• ____________________
• ____________________
• ____________________
Area Formula: Kite & Related Figures
A
B
C
E
D
Examples
3. Find the area of a rhombus whose perimeter is 20
and whose longer diagonal is 8.
4. Find the area of the figure below.
4
16
2