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Geometry
Area of plane shapes
Surface Area
Perimeter of figures
Volume of geometric bodies
Radius of a circumscribed circle
Radius of a circle inscribed
Geometry theorems
Trigonometry
Triangles
Parallelogram
Trapezoid
Rhombus
Circle
Geometry Formulas
Area of plane shapes
Area of a triangle
Area of a right triangle
Area of a triangle, Heron's formula
Area of an Isosceles triangle
Area of an equilateral triangle
Area of a triangle - "side angle side" (SAS) method
Area of a triangle from a side and two angles (AAS or ASA) method
Area of a square
Area of a rectangle
Area of a parallelogram
Area of a rhombus
Area of a trapezoid
Area of an isosceles trapezoid
Area of a regular polygon
Area of a circle
Area of a sector of a circle
Area of a circular segment
Area of an annulus
Area of a sector of an annulus
Area of an ellipse
All formulas of this section
Perimeter of figures
Perimeter triangle
Perimeter rectangle
Perimeter square
Perimeter parallelogram
Perimeter rhombus
Perimeter trapezoid
Perimeter of a circular disc or the circumference of a circle
Length of an arc
Length of an arc, the Huygens formula
All formulas of this section
Radius of a circle inscribed
Radius of a circle inscribed in a triangle
Radius of a circle inscribed in an equilateral triangle
Radius of a circle inscribed in an isosceles triangle
Radius of a circle inscribed in a right triangle
Radius of a circle inscribed in a square
Radius of a circle inscribed in a rhombus
Radius of a circle inscribed in an isosceles trapezoid
Radius of a circle inscribed in a regular polygon
Radius of a circle inscribed in a regular hexagon
All formulas of this section
Trigonometric identities (sine, cosine, tangent, cotangent )
Formulas express trigonometric functions of sum of angles
Formulas express trigonometric functions of difference of angles
Formulas express trigonometric functions of double angle
Formulas express trigonometric functions of triple angle
Formulas express trigonometric functions of half-angle
Trigonometric functions squared (sine, cosine, tangent and cotangent)
Trigonometric functions cubed (sine, cosine, tangent and cotangent)
Sum of trigonometric functions (sine, cosine, tangent)
Difference of trigonometric functions (sine, cosine, tangent)
Product of trigonometric functions (sine, cosine, tangent and cotangent )
All formulas of this section
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 of this section
Rhombus
Side of a rhombus
Diagonals of a rhombus
Angles of a rhombus
All formulas of this section
Circle
Length of a chord of a circle
Height of a segment of a circle
All formulas of this section
Surface Area
Surface Area of a cube
Surface Area of a rectangular prism
Surface Area of a sphere
Surface Area of a spherical segment
Surface Area of a spherical zone
Surface Area of a spherical sector
Surface Area of a cylinder
Surface Area of a cone
Surface Area of a truncated cone
Surface Area of a regular pyramid
Surface Area of a regular truncated pyramid
All formulas of this section
Volume of bodies
Volume of a cube
Volume of a rectangular prism
Volume of a sphere
Volume of a spherical segment
Volume of a spherical zone
Volume of a spherical sector
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 of this section
Radius of a circumscribed circle
Radius of the circumcircle of a triangle
Radius of the circumscribed circle of an equilateral triangle
Radius of the circumscribed circle of an isosceles triangle
Radius of the circumscribed circle of a right triangle
Radius of the circumscribed circle of a square
Radius of the circumscribed circle of a rectangle
Radius of the circumscribed circle of an isosceles trapezoid
Radius of the circumcircle of a regular hexagon
Radius of the circumscribed circle of a regular polygon
All formulas of this section
Geometry theorems
The Pythagorean Theorem
The law of sines
The law of cosines
All formulas of this section
Triangle
Side of a scalene triangle
Height of a scalene triangle
Bisector of a scalene triangle
Median of a scalene triangle
Isosceles triangle
Sides of an isosceles triangle
Height Bisector and Median of an isosceles triangle
Right triangle
Sides (legs and hypotenuse) of a right triangle
Height of a right triangle
Bisector of a right triangle
Median of a right triangled
Equilateral triangle
Height Bisector and Median of an equilateral triangle
All formulas of this section
Trapezoid
Side of a trapezoid
Diagonal of a trapezoid
Midline of a trapezoid
Height of a trapezoid
Isosceles trapezoid
Side of an isosceles trapezoid
Diagonal of an isosceles trapezoid
Midline of an isosceles trapezoid
Height of an isosceles trapezoid
Right 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 formulas of this section