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Warm Up March 9 , 2012. (5+b) 3 A. (8 + 3b) (15 + b) (15 + 3b). Area of a Rectangle. height. base. Area. A. =. base. b. X. height. h. Area of a Parallelogram. height. base. A = bh. Area of a. Parallelogram. Triangle. half a parallelogram. height. height. base. - PowerPoint PPT Presentation
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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
= (
(
+
