Question

if breadth of a cuboid are 5 cm and 7 cm respectively and it's total surface area is 214 cm square, then the volume of cuboid is

Answer 1

Answer

Tsa of a cuboid = 2(lb+bh+hl)

2(5*7+5*h+h*7)=214

2(35+5h+7h)=214

35+12h=214/2

35+12h=107

12h=107-35

12h=72

h=72/12

h=6

volume of a cuboid =lbh

7*5*6=210

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