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N76 [4]
2 years ago
11

Plz help me.

Mathematics
1 answer:
Vlad [161]2 years ago
4 0
Assuming you want to find x?
You know that the angles at C and B have to be the same (6x) because it’s an isosceles triangle (as indicated by the lines going through AC and AB), and angles in a triangle add to 180*

So 3x + 6x + 6x = 180*
15x = 180*
x = 180*/15
x = 12*
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