The diagonal of a rhombus are 62 m and 80 m. Its area is:	Pick one:  A) 1940  B) 2480  C) 2460  D) 2500  E) 1980

Rationale: "area of the rhombus = 1 / 2 d 1 d 2 = ( 1 / 2 ã — 62 ã — 80 ) cm ( power ) 2 = 62 ã — 40 = 2480 cm ( power ) 2 answer is b ."
Answer: B