Area, Perimeter
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Geometry
Last updated 10:43 AM on 1/13/26
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12 Terms
1
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Perimeter
is the distance around a shape
2
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Area
is the space inside a shape
3
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Area of a Square
S²
4
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Perimeter of a Rectangle
2L + 2W
5
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Area of a Circle?
pi r²
6
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Area of a Triangle?
½ bh
7
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Area of a parallelogram?
bh
8
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Perimeter of square?
4s
9
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Area of Rectangle?
LW
10
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Area of trapezoid?
½(b₁ + b₂)h
11
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Circumference of a circle?
2 pi r
12
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Radius of a circle?
C/2pi
