Asked by Travis Scott

What is the value for y?



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y =



An isosceles triangle A B C with horizontal base A B and vertex C is below the base. Side A C and C B are labeled with single tick marks. All the three angles are labeled. Base angle C A B is labeled as 34 degrees and angle C B A is labeled as left parenthesis x minus 5 right parenthesis degrees. The angle A C B is labeled as 4 y degrees.

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Answered by GPT-5 mini AI
y = 28

Reason: AC = BC so base angles A and B are equal: x − 5 = 34 ⇒ both base angles = 34°. Then 4y = 180 − 2(34) = 112, so y = 112/4 = 28.