Classifying Quadrilaterals can be easy. Listen to this parody of Imagine Dragon's "Radioactive" to help you! Feel free to sing along and, as always, subscrib...
How about this: we are given a 4-sided shape and asked to determine whether its properties qualify it to be called a quadrilateral (or category of quadrilate...
Is a kite a quadrilateral? Is it a rhombus? A parallelogram? Let's find out. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacad...
Proving that a figure is a parallelogram if and only if opposite sides are congruent Watch the next lesson: https://www.khanacademy.org/math/geometry/quadril...
