Math, asked by ankitmohanjha1988, 10 months ago

the surface area of cuboid is 468, lengthand breadth is 12cm and 9 is given we have to find the height

Answers

Answered by ButterFliee

2

Answer:

2(lb+BH+hl) = 468

lb + BH+ hl = 234

129 + 9h + h*12 = 234

108 + 21h = 234

21h = 126

h = 126/21

h= 6m

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