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IrinaVladis [17]
3 years ago
7

Find the value of y . Please help !

Mathematics
1 answer:
Leokris [45]3 years ago
8 0

9514 1404 393

Answer:

  (b)  √55

Step-by-step explanation:

The right triangles in this geometry are all similar, so the ratio of long side to short side is the same:

  y/5 = 11/y

  y² = 55 . . . . . . multiply by 5y

  y = √55 . . . . . take the square root

__

And x=4√5 by looking at ratios of short side to hypotenuse.

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