Respuesta :

Answer:True

Step-by-step explanation:

Given

[tex]\angle D=90^{\circ}[/tex]

For isosceles triangle , CD=DE (x=y)

from figure,

[tex]\sin C=\dfrac{y}{H}\\\\\sin D=\dfrac{x}{H}\\\\\text{CD=DE}\\\\\therefore \sin C=\sin D=\dfrac{x}{H}=\dfrac{y}{H}[/tex]

Thus, the given statement is true

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