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Subject Index
Quadrilaterals (4 sided figures)
Quadrilateral definition
Squares
Square definition
Area of a Square
Perimeter of a Square
Diagonals of a square
Square inscribed in a circle
Rectangles
Rectangle definition
Area of a rectangle
Perimeter of a rectangle
Diagonals of a rectangle
The golden rectangle
The International paper size rectangle
Parallelograms
Parallelogram definition
Area of a parallelogram
Perimeter of a parallelogram
Diagonals of a parallelogram
Interior angles of a parallelogram
Parallelogram inscribed in any quadrilateral
Trapezoids
Trapezoid definition
Area of a trapezoid
Trapezoid perimeter
Median of a trapezoid
Rhombus
Rhombus definition
Area of a rhombus
Perimeter of a rhombus
Diagonals of a rhombus
Kite
Kite definition
Area of a kite
Perimeter of a kite
Inscribed (cyclic) Quadrilaterals
Definition
Area (Brahmagupta's Formula)
Diagonals (Ptolemy's Theorem)
Interior Angles
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