the surface area of the cuboid is 372 cm^2. it's length and breadth are 12cm and 8cm respectively. find the height.
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Here is your answer....
Surface area of cuboid = 2(lb×bh×hl) =372cm²
Length= 12cm
Breadth=8cm
Let height = h
2(12×8+8×h+h×12) = 372
96+8h+12h=372/2
96+20h=186
20h= 186-96
20h=90
h=90/20= 9/2= 4.5cm
Hope it helps you....
Surface area of cuboid = 2(lb×bh×hl) =372cm²
Length= 12cm
Breadth=8cm
Let height = h
2(12×8+8×h+h×12) = 372
96+8h+12h=372/2
96+20h=186
20h= 186-96
20h=90
h=90/20= 9/2= 4.5cm
Hope it helps you....
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