Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 6 - Polygons and Quadrilaterals - 6-4 Properties of Rhombuses, Rectangles, and Squares - Lesson Check - Page 379: 5


Squares and rectangles are parallelograms that are equiangular. Rhombuses and squares are parallelograms that are equilateral.

Work Step by Step

Squares and rectangles are equiangular because all four angles on each of these parallelograms is $90^{\circ}$. The definition of a rhombus is a parallelogram that has four congruent sides. A square is actually a special kind of rhombus that not only has four congruent sides but also four congruent angles.
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