eu não sei, desculpe companheiro, não me denuncie
It’s the 3rd option!
-5 (the bubble shaded black), the arrow going left towards -9.
Hope this helps!
The answer is -2.76.
Hope I Helped (=^-^=)
The answer is right below:
Angles in a triangle add up to 180 degrees.
All angles in an equilateral triangle have equal values
Both angle x and y equal 60 degrees.