Warm Up March 9, 2012

(5+b) 3A. (8 + 3b)B. (15 + b)

C. (15 + 3b)

Area of a Rectangle

base

height

Area = base X heightb hA

Area of a Parallelogram

base

height

A = bh

Area of a

base

Area = base X height

heightheight

half a parallelogram

2

TriangleParallelogram

Area of a

base

TrapezoidParallelogram

height

base2

base1

base1

base2

Area = X heightbase+( )

2

half of a parallelogram

AREA OF A TRAPEZOID

A = (b1+b2)h

2

A = 1 (b1+b2)h2

NOTES:

b1

b2

h

3

5

9

A h b1 b2 = (

(

+

2

6 6

= (

(

+