Question

The dimensions ofa cuboid are (r +4) cm,(r+2) cm and (r-4) cm. Find the volume of the cuboid

Answer 1

Answer:

V of cuboid= l*b*h

=(r+4) *(r-4) *(r+2)

= (r^2-16) *(r+2)

=(r^3+2r^2-16r-32)

Answer 2

Answer:

Volume of cuboid formula = l x b x h

(r + 4) x (r + 2) x (r - 4)

= (2r + 8) x (r - 4)

= 3r - 32

r = 32 + 3

r = 35

So, we now know that r = 35

Hence,

(r + 4) = 35 + 4

= 39

(r + 2) = 35 + 2

= 37

(r - 4) = 35 - 4

= 31

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