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The first side of a triangle is 2 inches shorter than the second side. The third side is 5 inches longer than the second. If the perimeter of the triangle is 33 inches, how long is each side?
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The first side of a triangle is 2 inches shorter than the second side. The third side is 5 inches longer than the second. If the perimeter of the triangle is 33 inches, how long is each side?

User Jasper Duizendstra
by
6.9k points

2 Answers

6 votes
We can determine that:
Side 1 = x - 2
Side 2 = x
Side 3 = x + 5

Then we can solve for x:

x + x - 2 + x + 5 = 33 \\ 3x + 3 = 33 \\ 3x = 30 \\ x = 10

Then we can calculate the side lengths:
Side 1 = 8
Side 2 = 10
Side 3 = 15
User Jchand
by
7.6k points
7 votes
The first side=8
The second side=10
The third side=15

8+10+15=33
User Bizon
by
7.2k points
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