Lesson 11.1 - 11.4
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10 Terms
1
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Area of a Parallelogram
A = bh
2
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Area of a Rhombus
(Diagonal 1 x Diagonal 2)/2
3
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Area of a Trapezoid
(Height(Base 1 + Base 2))/2
4
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Regular Polygon
All sides and angles are equal
5
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Center
Center of the assumed circumscribed circle
6
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Radius
Distance from center to a vertex
7
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Central Angle
Formed by two consecutive radii; measure = 360/number of sides
8
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Apothem
Perpendicular distance from center to a side
9
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Perimeter
Sum of side lengths
10
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Area of a Regular Polygon
(Apothem x Perimeter)/ 2
Note 
Flashcards (25)