SOLUTION: . A triangle has sides 3x + 7, 4x – 9, and 5x + 6. Find the expression that represents its perimeter.
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Question 85354: . A triangle has sides 3x + 7, 4x – 9, and 5x + 6. Find the expression that represents its perimeter.
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
Given a triangle with sides:
.
3x + 7
4x - 9
5x + 6
.
To find the perimeter of this triangle, just add the three sides together. You can do this
by adding the columns above. That is, add 3x + 4x + 5x and you get 12x. Next add the second
column ... +7 -9 +6 = +4.
.
As a result of these additions you can say that the perimeter of the triangle is 12x + 4.
.
Hope this helps you understand how to do this problem.
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