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A cube has sides of length 2 cm - Junior Cycle Mathematics - Question 9 - 2015

Question 9

A cube has sides of length 2 cm. (a) Find the volume of the cube. (b) How many faces does a cube have? (c) Draw a net of the cube, as accurately as you can.

Worked Solution & Example Answer:A cube has sides of length 2 cm - Junior Cycle Mathematics - Question 9 - 2015

Step 1

(a) Find the volume of the cube.

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Answer

To find the volume of a cube, use the formula: $V = s^3$ where ( s ) is the length of a side.

Given that the length of each side is 2 cm: $V = 2 \text{ cm} \times 2 \text{ cm} \times 2 \text{ cm} = 8 \text{ cm}^3$

Thus, the volume of the cube is 8 cm³.

Step 2

(b) How many faces does a cube have?

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Answer

A cube has 6 faces.

Step 3

(c) Draw a net of the cube, as accurately as you can.

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Answer

The net of the cube can be drawn in several configurations. Here is a simple representation:

  +---+
  |   |
+---+---+---+
|   |   |   |
+---+---+---+
  |   |
  +---+

This shows one of the possible nets for a cube.

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