praxis equations
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13 Terms
1
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perimeter
add all the sides of the figure
2
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square, parallelogram, rectangle area
A= b*h
3
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trapezoid area
A=1/2h (b1+b2); average the base lengths, multiply by the height
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triangle area
A= 1/2b*h
5
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circle area
A= πr²
6
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circle circumference
C= 2πr
7
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prism surface area
area of all six sides added together
8
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cylinder surface area
SA= 2πr²+πdh; r=radius, d=diameter, h=height
9
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sphere surface area
SA= 4πr²
10
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prism volume
V= l*w*h
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cylinder volume
V=πr²h; find the area of the circle, then multiply by the height
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sphere volume
V= 4/3πr³
13
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pythagorean theorem
a²+b²=c²
Note 
Flashcards (101)