The diagonal of a rhombus are 80 m and 120m. Its area is:	Choose the correct option:
A) 4500
B) 4000
C) 4800
D) 4600
E) 4320

Rationale: "area of the rhombus = 1 / 2 d 1 d 2 = ( 1 / 2 ã — 80 ã — 120 ) cm ( power ) 2 = 80 ã — 60 = 4800 cm ( power ) 2 answer is c ."
Answer: C