4) For 10x + 10x + 1 = 0 .. a + B = 0 b= aß=[ C = 1
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Answer:
∠BAC=70° , ∠BAX=42°
Now,
∠BAC=∠BAX+∠XAC
70°=42°+∠XAC
∠XAC=28°
Step-by-step explanation:
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