perimeter calculator
Perimeter calculator : Online perimeter calculator that calculates rectangle perimeter, square perimeter, triangle perimeter or circle perimeter.
Syntax :- perimeter(length;width) for a rectangle
- perimeter(length) for a square
- perimeter(length;length;length) for a triangle
- perimeter(radius) for a circle
- perimeter(`3;2`) , returns 12
- perimeter(`4`) , returns [16;`8pi`], 16 is the perimeter of a square of length 4, and `8pi` is the perimeter of a circle of radius 4.
Perimeter calculator
The calculator is able to calculate online perimeters : the perimeter of a rectangle, the perimeter of a square, the perimeter of a circle. The length calculator supports numeric but also literal expressions.
Calculating perimeter of a rectangle
The perimeter of a rectangle is given by the formula `2*(L+l)` where L represents the length and l the width of a side.
The rectangle perimeter is equal to the sum of the sides.
The calculation of the perimeter of a rectangle whose length is 3 and width is 2 is done by entering the following formula perimeter(`3;2`).
Calculating perimeter of a square
The perimeter of a square is given by the formula `4*a` where a is the length of a side.
The perimeter of a square is the length of this square.
The length calculator is able to calculate the square perimeter, the calculated length is returned in exact form and in approximate form. Calculating the perimeter of a square whose side length is 3 is done by entering the following formula perimeter(`3`).
Calculating the perimeter of a circle
The perimeter of a circle is given by the formula `2*pi*r`,
where r is the radius of the circle. The perimeter of a circle is the length of the circle.
The length calculator is able to calculate the circle perimeter, the calculated length is returned in exact form and
in approximate form.
Calculation of the perimeter of a circle of radius 3 is done by entering the following formula perimeter(`3`).
Calculation of the perimeter of a triangle
The perimeter calculator is able to calculate the perimeter of a triangle,
which is given by the formula `a + b + c` where a, b and c are the length of each side of the triangle.
The calculated length is returned in exact form and in approximate form.
Thus, the calculation of the perimeter of a triangle whose length of each of the sides is equal to 5, 6 and 7, is obtained by entering the following formula perimeter(`5;6;7`).
Games on the perimeters of geometric figures
The site proposes games on the calculation of the perimeters of the usual geometrical shapes: squares, rectangles and circles.
- Area of a square : area_square. Area online calculator that can calculate the area of a square from the length of a side.
- Area of a circle : area_circle. Area online calculator that can calculate the area of a circle from its radius or from its diameter.
- Area of a rectangle : area_rectangle. Area online calculator that can calculate the area of a rectangle from its length and its width.
- Find equation of a straight line from two points : equation_straight_line. The equation straight line calculator allows to calculate the equation of a straight line from the coordinates of two points with step by step calculation.
- Perimeter calculator : perimeter. Online perimeter calculator that calculates rectangle perimeter, square perimeter, triangle perimeter or circle perimeter.
- Perimeter of a square : perimeter_square. The online calculator allows to calculate the perimeter of a square from the length of a side.
- Perimeter of a circle : perimeter_circle. Online calculator that calculates the perimeter of a circle from its radius.
- Perimeter of a rectangle : perimeter_rectangle. The online calculator allows to calculate the perimeter of a rectangle from its length and its width.
- Pythagorean theorem calculator : pythagorean. The calculator uses the Pythagorean theorem to verify that a triangle is right-angled or to find the length of one side of a right-angled triangle.
- Calculation of the area of a geometric figure. : area. Online area calculator which allows to calculate the area of a rectangle, square, triangle or circle.
- Volume of a cube : volume_cube. The online calculator allows to calculate the volume of a cube from the length of a side.
- Volume of a rectangular parallelepiped : volume_rectangle. The online calculator allows to calculate the volume of a rectangle from its length, its width and height.
- Volume of a sphere : volume_sphere. The online calculator allows to calculate the volume of a sphere from its radius.