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9) Given, surface area of cuboid = 758 cm²
length = 14 cm
breadth = 11 cm
∴ 2 (lb + bh +lh ) = 758
2 (14*11 +11*h + 14*h) = 758
14*11 +11h +14h = 379
154 + 25h = 379
25h = 225
h = 225/25
= 9
hence hieght of cuboid is 9cm
10) TSA of cube = 1176
6a²= 1176
a² = 1176/6
a² = 196
a = √196
a = 14
side of cube = 14 cm
volume = a³
= 14*14*14
= 2744
∴ volume of cube is 2744 cm³