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The sides of a triangle measure 10 11 and 15 what is the average lenght of the sides?
Wiki User
∙ 14y ago
12.
This is because you add the numbers and then divide by the amount of numbers to get an average. So here we add the numbers and divide the total by 3.
10+11+15 = 36.
36/3 = 12.
Wiki User
∙ 14y ago
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