Dựng hình thang cân ABCD, biết đáy CD = 3cm, đường chéo AC = 4cm, góc ∠D = 80o.

Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.

A. constitution

B. disrespectful

C. sympathetic

D. elongated