deborahcarmona
deborahcarmona
03-08-2017
Mathematics
contestada
what is the value of y
Respuesta :
BashKnocker
BashKnocker
03-08-2017
The sum of
the three interior
angles
always add to 180°.
40
° + y° + 30° + y° = 180°
40° + 2y° + 30° = 180°
70° + 2y° = 180°
2y° = 110°
y° = 55°
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