The diagonal of a rhombus are 40 m and 30 m. Its area is:	Options.
A) 600  B) 450  C) 350  D) 500  E) 620

Rationale: area of the rhombus = 1 / 2 d 1 d 2 = ( 1 / 2 ã — 40 ã — 30 ) cm ( power ) 2 = 40 ã — 15 = 600 cm ( power ) 2 answer is a .
Answer: A