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K-shaped congruent mathematics
Solutions; A. If two K angles are similar and the similarity ratio is 1, then the two K angles are congruent and correct.

B. isosceles right angles k angles are all similar k angles, correct,

C. Two isosceles K angles with a right angle of 60 are similar and correct.

D. There are two isosceles K angles with equal right angles and acute angles, so this option is wrong.

Therefore, choose: d.

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