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1) If the scale of this block is 1:30 and the measurement is 18cm,

a) What does the scale 1:30 mean?
> One unit on paper equals 30 units in real life.

b) Determine the actual length/distance of this block.

Answer :

To answer this question, we need to understand the concept of a scale and how to calculate the actual length.

a) What does the scale 1:30 mean?

The scale 1:30 is a ratio that represents the relationship between the dimensions on a drawing or model and the actual dimensions. When we say a scale is 1:30, it means:

  • 1 unit on the model (or drawing) corresponds to 30 units in real life.

b) Determine the actual length/distance of this block.

Given:

  • The measurement on the block model or drawing is 18 cm.
  • The scale is 1:30.

To find the actual length, you multiply the length on the model by the scale factor. In this case, the calculation can be expressed as:

[tex]\text{Actual length} = 18 \text{ cm} \times 30[/tex]

[tex]\text{Actual length} = 540 \text{ cm}[/tex]

Therefore, the actual length of the block is 540 centimeters.

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