Berni1
Berni1
28-01-2017
Mathematics
contestada
What is the length of AB
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Аноним
Аноним
28-01-2017
the 2 triangles are similar so corresponding sides are in the same ratio
4/5 = 6 +x / 4x- 8
cross multiply;
30 + 5x = 16x - 32
11x = 62x
x = 5.636
AB = 4(5.636) - 8 = 14.545
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