標題範例:Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
Triangle ABC is isosceles, and the measure of angle A is 74°. What must be the measure of another angle of this triangle?
(A) 32°
(B) 42°
(C) 53°
(D) 74°
(E) It cannot be determined from the information given.
謎底:E
【剖析】