Question

Please answer question no 19, 20 with explanation.

Answer 1

volum e of cuboid =volume of cube. lbh =a×a×a 36.75.80 = acube 216000=acube
$\sqrt[3]{?} 216000$
60 = a. 20. volume of cube =a.a.a 729 a.a.a. a =9. surface area of cube=6a.a =6×9.9 = 486