find the area of a rhombus whose side measures 20cm and one diagonal is 24cm Share with your friends Share 0 Shruti Tyagi answered this Dear Student, Regards, 2 View Full Answer Joshua Pereira answered this area of rhombus = 1/2 d1d2 let the area of rhombus be x x = 1/2 (20)(24) x = 240 therefore the area of the rhombus is 240 cm square. -1 Vishnu Raj answered this Area of the rhombus=384 square cm.Hope this answer is correct and helpful... 0 Krishna Naruka answered this 20 = 1/2* x*24 hence side = 10 0 Aditya. Rajput answered this Answer is 240 cm square 1