7.8 PERIMETER AND AREA OF QUADRILATERALS IN THE COORDINATE PLANE.notebook
February 03, 2015
REVIEW CONCEPTS
7.6 Areas and Perimeters of Quadrilaterals on the Coordinate Plane
Distance Formula:
Perimeter:
­the distance around a 2­dimensional object
I CAN...
Find the perimeters and areas of quadrilaterals on the coordinate plane
Areas of quadrilaterals:
Parallelogram:
A=bh
Trapezoids:
A= 1 (base 1 + base 2)xheight
2
Rhombi and Kites:
1
A= 2 (diagonal 1 x diagonal 2)
Jul 24­9:36 AM
Jul 24­9:36 AM
Example 2:
Example 1:
Find the perimeter and area of the quadrilateral.
A
Find the perimeter and area of the quadrilateral.
B
B
C
C
D
D
A
Jul 24­9:36 AM
Jul 24­9:36 AM
Example 3:
Example 4:
Find the perimeter and area of the quadrilateral.
Find the perimeter and area of the quadrilateral.
A
B
D
B
C
A
C
D
Jul 24­9:36 AM
Jul 24­9:36 AM
1
7.8 PERIMETER AND AREA OF QUADRILATERALS IN THE COORDINATE PLANE.notebook
February 03, 2015
Example 5:
Find the perimeter and area of the quadrilateral.
B
C
A
D
Jul 24­9:36 AM
Jan 20­8:34 PM
2