Respuesta :

gmany

It's the triangle 30 - 60 - 90. The lengths of a side are in proportion 1 : √3 : 2.

[tex]2y=20\sqrt3\ \ \ \ |:2\\\\y=10\sqrt3\\\\x=y\sqrt3\to x=10\sqrt3\cdot\sqrt3=10\cdot3=30[/tex]

Answer: x = 30, y = 10√3

Answer:d the last one

Step-by-step explanation:

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