in a triangle angle c is equal to 3 angle b equal to two times angle a + b
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❤so, A=?
B=2
C=3
so A+B=0
(A find)
A+B
A+2=0
A=-2
so, the angle A =-2
B=2
C=3
so A+B=0
(A find)
A+B
A+2=0
A=-2
so, the angle A =-2
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