in triangle ABC ,AB=AC,A 4X-10 ,and B=X+5 .state the size of C interms of x ,give a reason for your answer
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I read this as in triangle ABC, AB=AC, angle A=4x-10, angle B=x+5. What is C in terms of x?

ABC is isosceles so angles B and C are equal and C=x+5. So 180=A+B+C=4x-10+2x+10=6x, making x=30.

A=4*30-10=110 and B and C are 30+5=35. Not sure if this is what you're looking for.

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