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Ganezh [65]
3 years ago
8

Help help help helpppp

Mathematics
1 answer:
lord [1]3 years ago
4 0

Answer:

39.7

Step-by-step explanation:

first must calculate the length of AB and BC

AB = 16.43

CB= 12.216

then perimeter : Perimeter of a triangle = sum of all three sides

16.43 + 11 + 12.216 = 39.646 = 39.7

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