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area and perimeter practice
供稿人: Faulkner
(原作者: Holland)
x+5
3x+7
determine the perimeter
Determine the area:
4x+7
2x+2
The dimensions or a rectangle are (x + 3) and (x + 2). 
Which expression represents the area of the 
rectangle?
A.  x2 + 6
B.  x2 + 5x + 6
C.  x2 + 6x + 6
D. x2 + 6x
What is the area of a square with side a 
length of (3x - 2) ?
A.  3x2 - 12x + 4
B.  9x2 - 12x - 4
C. 9x2 - 12x + 4
D.  9x2 + 4
Determine the perimeter.
(2x+8)
(x+3)
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