SOLUTION: the first figure takes 5 matchstick squares to build, the second takes 11 to build, and the third takes 17 to build. How many matchstick squares will it take to build the nth figu

Question 985986: the first figure takes 5 matchstick squares to build, the second takes 11 to build, and the third takes 17 to build. How many matchstick squares will it take to build the nth figure? and how many matchsticks will it take to build the nth figure?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
First figure takes 5 matchstick squares to build
Second figure takes 11 matchstick squares to build
Third figure takes 17 matchstick squares to build
Formula is:
Matchstick squares = 6n - 1
Hope this helps:=)
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