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How to study your flashcards.
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14 Cards in this Set
- Front
- Back
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A=BH
area =base x height |
parallelogram
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A=S squared
area= side squared |
square
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A=1/2 BH
area = 1/2 base x height |
triangle (regular)
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side squared times the square root of 3 over 4.
sorry i couldn't make the formula with my computer :) |
triangle (equilateral)
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the square root of S (S-A) (S-B) (S-C)
the S stands for the semi perimeter which is the perimeter of the triangle divided by 2. The A,B,and C represent the lengths of the individual sides of the triangle. |
triangle (all sides given)
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1/2 D1 D2
1/2 of diagonal 1 x diagonal 2 |
rhombus
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1/2 H(B1+B2)
1/2 of Height x base 1 + base 2 |
trapezoid
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1/2 D1 D2
1/2 of diagonal 1 x diagonal 2 |
Kite
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pie x radius squared
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circle
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degrees x (pie x radius squared)
------------- 360 |
sector
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1/2 AP
1/2 of Apothem x perimeter |
Polygon
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pie x diameter
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Circumference
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degrees x (pie x diameter)
------------ 360 |
Arc Length
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the sector - the area of the triangle
if you saw one of these problems you would know what i am talking about. |
Segment of a circle
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