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A rectangle is a four-sided polygon with opposite sides equal and parallel, and all angles equal to 90 degrees. Learn the formula for area, perimeter, and diagonal of a rectangle, and see examples and FAQs on this topic.
A rectangle is a quadrilateral with four right angles and opposite sides parallel and equal. Learn about its symmetry, duality, classification, area, perimeter and diagonals, and see examples and theorems.
A rectangle is a 2-D shape with four right angles and opposite sides equal and parallel. Learn how to find its area, perimeter, diagonal and other facts with formulas, examples and practice problems.
A rectangle is a 2D shape with four sides, four angles and opposite sides equal and parallel. Learn how to calculate its area, perimeter, length, breadth and diagonal using formulas and examples.
A rectangle is a flat shape with four 90° angles and four sides, with opposite sides of equal length. Learn more about the geometry, area, perimeter, and usage of rectangles with Cambridge Dictionary.
A rectangle is a four-sided flat shape with right angles and opposite parallel sides. Learn how to calculate its area, perimeter, diagonals and golden ratio with examples and interactive tools.
A rectangle is a four-sided polygon with four right angles and opposite sides parallel and equal. Learn more about the word history, examples, synonyms, and related entries of rectangle from Merriam-Webster.