If a triangle has side lengths of 14 centimeters and 18 centimeters and the perimeter is 49 centimeters, how long is the third s
ide?
1 answer:
Answer: 17 centimeters
Step-by-step explanation:
The perimeter of a triangle is all 3 sides added up
x+y+z=p
Substitute 14 in for x, 18 in for y and 49 in for p
14+18+z=49
Add on the left side
32+z=49
Subtract 32 on both sides
z=17
So, the third side is 17 centimeters
Hope this helps! :)
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