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Area of a rectangle, rectangle area formula calculator

Area of a rectangle, rectangle area formula calculator allows you to find an area of a rectangle, by the formulas, using length of rectangle sides, or length of diagonal and angle between diagonals.

Method of calculating the area of a rectangle:
Length: Width: Diagonal: Angle α:


Rectangle is a quadrilateral with four right angles. Formulas for area of a rectangle: , where a - width of a rectangle, b - length of a rectangle, d - diagonals, α - angle between diagonals

	Area of a square, square area formula calculator
Find an area of a square, by the formulas, using length of square sides or diagonal.
Area of a square, square area formula calculator

	Area of a circle, circle area formula calculator
Find an area of a rhombus, by the formula, using radius or diameter of circle.
Area of a circle, circle area formula calculator

	Area of a parallelogram, parallelogram area formula calculator
Find an area of a parallelogram, by the formulas, using length of sides, height, diagonals and angle between them.
Area of a parallelogram, parallelogram area formula calculator

	Area of a triangle, equilateral isosceles triangle area formula calculator
Find an area of different types of triangles, such as equilateral, isosceles, right or scalene triangle, by different formulas.
Area of a triangle, equilateral isosceles triangle area formula calculator

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