parallelogram has sides 60 m and 40 m and one of its diagonals is 80 m long then its area is:__________? September 23, 2025 by Admin A. 480 sq.m B. 320 sq.m C. 600√15 sq.m D. 450√15 ✅ The correct answer is option C. 600√15 sq.m.
