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Geometric Shapes Area Formulas
20
Flashcards
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Ellipse
Rectangle (Diagonals given)
Area cannot be determined from diagonals alone
Trapezoid
0.5 x (Base1 + Base2) x Height
Regular Pentagon
Polygon
Depends on the type of polygon
Circle
Sector of a Circle
(where is in radians)
Annulus (Ring)
Kite
0.5 x Diagonal1 x Diagonal2
Regular Hexagon
Rectangle
Length x Width
Square
Side x Side or Side^2
Parallelogram
Base x Height
Equilateral Triangle
Triangle
0.5 x Base x Height
Rhombus
0.5 x Diagonal1 x Diagonal2
Regular Octagon
Cylinder's Lateral Surface Area (3D shape)
Sphere's Surface Area (3D shape)
Scalene Triangle
where (Heron's formula)
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