Maths-

General

Easy

Question

# A box is in the form of a cube with an edge of 7 cm long. Calculate the total length of the edges

- 24
- 64
- 44
- 84

Hint:

### There are 6 faces and 12 edges of cube. And all edges are of equal length.

## The correct answer is: 84

### Given :- edge length= 7 cm

According to question,

Let edge length of a cube = l

Since, cube has 12 edges.

So, sum of length of edges =12 l

Hence formula for the sum of edge length = (12 one edge length)

= 12(7)

= 84

Therefore, the correct option is d) 84

Therefore, the correct option is d) 84

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