Read the following SAT test question and then click on a button to select your answer.

Triangle A B C is isosceles, and the measure of angle A is 74 degrees. What must be the measure of another angle of this triangle?

(A) 32 degrees
(B) 42 degrees
(C) 53 degrees
(D) 74 degrees
(E) It cannot be determined from the information given.

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