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labwork [276]
3 years ago
5

The perimeter of the triangle below is 80 units. Find the length of side PR

Mathematics
1 answer:
serg [7]3 years ago
5 0

Answer:

32

Step-by-step explanation:

The perimeter is equal to sum of side lengths

4x + z + 3 + 5z - 3 = 80 add like terms

10z = 80 divide both sides by 10

z = 8 PR is 4z so 8*4 = 32

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