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Geometry
The area of a solid. Online calculator
The volume of the solid. Online calculator
The area of a flat figure. Online calculator
The triangle
✦ the triangle by base and height
✦ the triangle by Heron’s formula
✦ the triangle by two sides and the angle between them
✦ the triangle by the side and its adjacent angles
the right triangle
✦ the Kepler triangle
the isosceles triangle
✦ the isosceles triangle by base and height
✦ the isosceles triangle by base and lateral side
the equilateral triangle
✦ the equilateral triangle by base and height
✦ the equilateral triangle by side
The quadrilateral
the trapezium
the parallelogram
the rhombus
the rectangle
the square
✦ the square by side
✦ the square by diagonal
The circumference, the length of circumference
The circle, disc
✦ the circle, disc by radius
✦ the circle, disc by perimeter
the sector of a circle, disc
✦ the sector of a circle, disc by the length of the sector’s arc
✦ the sector of a circle, disc sector’s angle in degrees
✦ the sector of a circle, disc by sector’s angle in radians
the segment of a circle, disc
✦ the segment of a circle, disc for angle in degrees
✦ the segment of a circle, disc for angle in radians
The ring
✦ the ring by its radius
✦ the ring by its diameters
the sector of a ring
✦ the sector of a ring for angle in degrees
✦ the sector of a ring for angle in radians
The ellipse
The parabolic segment