# 8th Class Mathematics Menstruation Surface Area and Volume of Cuboids

## Surface Area and Volume of Cuboids

Category : 8th Class

### Surface Area and Volume of Cuboids

A cuboid is a closed rectangular solid which has six rectangular faces.

Length of the cuboid = AB = CD = EF = GH. (Equal length)

Width of the cuboid = AD = BC = EH = FG. (Equal width)

Height of the cuboid = AE = BF = CG = DH.

Diagonal of the cuboid $~=\text{A}{{\text{B}}^{\text{2}}}+\text{B}{{\text{C}}^{\text{2}}}+\text{B}{{\text{F}}^{\text{2}}}$

Diagonal of a Cuboid $=\sqrt{(Lengt{{h}^{2}}+Breadt{{h}^{2}}+Heigh{{t}^{2}})}$

$=\sqrt{{{l}^{2}}+{{b}^{2}}+{{h}^{2}}}$

Lateral surface area of cuboid $=2h(l+b)$

Total surface area of cuboid $=2(lb+bh+hl)$

Volume of the cuboid $=l\times \text{b}\times \text{h}$

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