What is the formula for finding the perimeter of a triangle?

1 Answer
emma
Apr 26, 2018

#l+l'+w#

Explanation:

Every triangle has three sides, hence the name, and to find the perimeter, you add up the values of all three sides. I call the three sides #"width"#, #"length"#, and #"length prime"#, respectively.

It would look something like this:

#l+l'+w# #-># #3+4+5#

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