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Rectangle

Definition

A rectangle is a specific type of quadrilateral with four right angles (90 degrees). It has opposite sides that are equal in length.

Analogy

Picture your computer screen or phone display - it's shaped like a rectangle! Just like how your screen has equal-length edges forming right angles, rectangles have equal-length sides forming right angles too.

Related terms

Square: A square is a special type of rectangle where all four sides are equal in length.

Perimeter: The perimeter of a rectangle is the total distance around its outer edges, calculated by adding up the lengths of all four sides.

Area: The area of a rectangle is the amount of space it occupies and can be calculated by multiplying the length and width of the rectangle.



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© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.