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vazorg [7]
3 years ago
9

I need someone to explain me quickly.

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
5 0

Answer:

Finding x FIRST:

2x-9 = x+5

1x-9 = 5

1x = 14

x = 14

Perimeter = Add all sides

Perimeter of KLM = 15+(2x-9)+8

                             = 15+(2(14)-9)+8

                             = 15+(28-9)+8

                             = 15+19+8

                             = 42 units

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