Question

1. find the side of cube whose surface area is 2400 cm²

2. There are two cuboids whose dimensions are given below. which box required a higher amount of material to make.

Cuboid A : L = 23 , B = 30 , H = 40
Cuboid B : L = 30 , B = 12 , H = 44​

Answer 1

Answer:

Given that

Surface area of a cube = 2400cm2

We need to find out the volume of the cube

We know that the formula of the surface area of cube=6a2

where a is the side of the cube

So as per the given condition

6a2= 2400

a2= 2400/ 6

a2= 400

a= √400

a=20

Step-by-step explanation:

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