- radius
- chord
- central angle
- circumcenter
Find the length of a chord of a circle if given radius and central angle ( L ) :
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Geometry
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Area of plane shapes
- Area of a triangle
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- Heron's formula for area
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- Area of a triangle - "side angle side" (SAS) method
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Surface Area
- Surface area of a cube
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Volume of geometric shapes
- Volume of a cube
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- All formulas for volume of geometric solids
- Radius of a circumscribed circle
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- Geometry theorems
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Triangles
- Side of a triangle
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- Height, Bisector and Median of an isosceles triangle
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- Height of a right triangle
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- Height, Bisector and Median of an equilateral triangle
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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
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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
- Circle
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Area of plane shapes
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