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Heron's formula for area
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Area of a triangle - "side angle side" (SAS) method
Area of a triangle - "side and two angles" (AAS or ASA) method
Area of a square
Area of a rectangle
Area of a parallelogram
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Area of an isosceles trapezoid
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All formulas for area of plane figures
Surface Area
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Surface area of a regular pyramid
Surface area of a regular truncated pyramid
All formulas for surface area of shapes
Perimeter of figures
Perimeter of a triangle
Perimeter of a rectangle
Perimeter of a square
Perimeter of a parallelogram
Perimeter of a rhombus
Perimeter of a trapezoid
Circumference of a circle
Length of an arc
Length of an arc, the Huygens formula
All formulas for perimeter of geometric figures
Volume of geometric shapes
Volume of a cube
Volume of a rectangular prism
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Volume of a spherical zone
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Volume of a cylinder
Volume of a cone
Volume of a truncated cone
Volume of a pyramid
Volume of a truncated pyramid
Volume of a regular pyramid
Volume of a regular triangular pyramid
Volume of a regular quadrangular pyramid
Volume of a regular tetrahedron
All formulas for volume of geometric solids
Radius of a circumscribed circle
Triangle
Equilateral triangle
isosceles triangle
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All formulas for radius of a circumscribed circle.
Radius of a circle inscribed
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Equilateral triangle
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Right triangle
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Isosceles trapezoid
Regular polygon
Regular hexagon
All formulas for radius of a circle inscribed
Geometry theorems
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Sum of angles
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Double angle
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Half-angle
Functions squared
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Sum of functions
Difference of functions
Product of functions
All basic formulas of trigonometric identities
Triangles
Side of a triangle
Height of a triangle
Bisector of a triangle
Median of a triangle
Sides of an isosceles triangle
Height, Bisector and Median of an isosceles triangle
Sides of a right triangle
Height of a right triangle
Bisector of a right triangle
Median of a right triangle
Height, Bisector and Median of an equilateral triangle
All geometry formulas for any triangles
Parallelogram
Sides of a parallelogram
Diagonals of a parallelogram
Angles of a parallelogram
Angles between diagonals of a parallelogram
Height of a parallelogram and the angle of intersection of heights
The sum of the squared diagonals of a parallelogram
The length and the properties of a bisector of a parallelogram
All formulas for parallelogram
Trapezoid
Side of a trapezoid
Diagonal of a trapezoid
Midline of a trapezoid
Height of a trapezoid
Sides of an isosceles trapezoid
Diagonals of an isosceles trapezoid
Midline of an isosceles trapezoid
Height of an isosceles trapezoid
Sides (bases) of a right trapezoid
Lateral sides and height of a right trapezoid
Diagonal of a right trapezoid
Midline of a right trapezoid
All basic formulas for trapezoid
Rhombus
Side of a rhombus
Diagonals of a rhombus
Angles of a rhombus
All formulas of a rhombus
Circle
Length of a chord of a circle
Height of a segment of a circle
All formulas of a circle
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Difference of trigonometric functions (sine, cosine, tangent)
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Written by
Administrator
Published: 05 July 2019
Last Updated: 18 July 2019
Trigonometry
Sum of angles
Difference of angles
Double angle
Triple angle
Half-angle
Functions squared
Functions cubed
Sum of functions
Difference of functions
Product of functions
All basic formulas of trigonometric identities
Geometry
Area of plane shapes
Surface Area
Perimeter of figures
Volume of geometric shapes
Radius of a circumscribed circle
Radius of a circle inscribed
Geometry theorems
Trigonometric identities
Triangles
Parallelogram
Trapezoid
Rhombus
Circle