Geometry Course/Polygon/Quadrilateral/Rectangle
Appearance
Rectangle
[edit | edit source]Rectangle is a Quadrilaterl that has two long sides parallel and congruent to each other and two short sides parallel and congruent to each other and the four equal angles equal to 90o
Properties
[edit | edit source]Perimeter
[edit | edit source]- P = AD + BC + AB + DC = 2x(a+b)