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Darya [45]
3 years ago
11

Can someone help please

Mathematics
1 answer:
Alik [6]3 years ago
5 0

Answer:

6

Step-by-step explanation:

base + 2(legs) = 56  (2 legs are the same because it's isosceles)

x + 2(5x - 5) = 56

x + 10x - 10 = 56

11x -10 = 56

11x = 66

x = 6

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