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Allisa [31]
3 years ago
5

18. The perimeter of the given triangle is 36 cm. Find the value of x.

Mathematics
1 answer:
tester [92]3 years ago
4 0

Answer:

x = 7

Step-by-step explanation:

(x+2)+(3x-9)+(2x+1) = 36

6x - 6 = 36

6x = 42

x = 7

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