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navik [9.2K]
3 years ago
12

The lengths in cm, of the sides of a triangle are 3x - 5, 2x-1 and x+1

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0

Answer:

a) p = 6x - 5

b) x = 6

Step-by-step explanation:

a) p = a + b + c

p = 3x - 5 + 2x - 1 + x + 1

p = 6x - 5

b) p = 6x - 5 =31

6x - 5 = 31

6x = 36

x = 6

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