Counting Figures Brain Teaser | How many Rectangles in n*n grid | Easy Trick to Count the Rectangles
This video explains the tricks and formula used to count the number of rectangles in n*n grid. Learn the tricks and answer the counting challenge question. Give it a Try!
Formula used to find the number of rectangles in n*n grid = SQR(n(n+1)/2)
View the full video for Counting Tips and shortcuts.
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