the diagonal of a rhombus are 70 m and 160 m . its area is :
"area of the rhombus = 1 / 2 d 1 d 2 = ( 1 / 2 ã — 70 ã — 160 ) cm ( power ) 2 = 70 ã — 80 = 5600 cm ( power ) 2 answer is c ."
rhombus_area(70, 160)