use four different colors to color the four rectangles A, B, C, and D as shown in the figure. No two rectangles sharing the same edge can be the same color. How many ways are there to color the rectangles?

Confusedperson  Jun 26, 2018

Here's my best effort


We have 4 ways to color A, 3 ways to  color  B, 2 ways to color C  and one way to color D


So.....the the total ways to color the rectangles  = 4 * 3 * 2 * 1  = 4!  =  24 ways




cool cool cool

CPhill  Jun 26, 2018
edited by CPhill  Jun 26, 2018

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