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n200080 [17]
3 years ago
7

Can someone help me please

Mathematics
1 answer:
Masja [62]3 years ago
7 0

Answer:

51ft, 17ft, 39ft

Step-by-step explanation:

longest = x

2nd = \frac{1}{3}x

3rd = x - 12

P = 107

a + b + c = Perimeter

x + \frac{1}{3}x + x - 12 = 107

\frac{7}{3}x -12 = 107

\frac{7}{3}x = 119

x = 51

\frac{1}{3}x = 17

x - 12 = 39

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