Respuesta :

jaslew04
ANSWER

X = 3
Y = 9

EXPLANATION: it is an equilateral triangle meaning the all three angles equal 60

20 ( 3 ) = 60
tonb

Answer:

x = 3

y = 9

Step-by-step explanation:

It is an equilateral triangle so all sides are equal and all angles are 60°.

This means that 20x = 60 and y=AB=AC=BC=9

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