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08-12-2018
Mathematics

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A) x=90, y=47
B) x=47, y=43
C) x=43, y=47
D) x=90, y=43

A x90 y47 B x47 y43 C x43 y47 D x90 y43 class=

Respuesta :

08-12-2018

D) x=90, y=43
This is because sides AB and AC are equal so angles B and C are thus both 47.
Also, since both angles BAD and BAC are equal, and x is likely 90, that must be 180-(90+47)=43.

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