Question

Find the height of a cuboid with T.S.A 680cm and length 10cm and breadth 7cm

Answer 1

T. S. A=680 cm

Length=10 cm

Breadth=7 cm

Since TSA=680

Therefore 2(lb+bh+hl)=680

2(10*7+7*h+h*10)=680

2(70+7h+10h)=680

2(70+17h)=680

140+344h=680

34h=680-140

h=540/34

h=15.88 cm