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Ratio, SM-Bank 034 MC

This picture shows a stone vase.
 

 
The picture is 2 cm high. The actual vase is 40 cm high.

What scale is used in the picture?

  1. \(\text{2 cm represents 20 cm}\)
  2. \(\text{4 cm represents 40 cm}\)
  3. \(\text{1 cm represents 2 cm}\)
  4. \(\text{1 cm represents 20 cm}\)
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\(D\)

Show Worked Solution

\(\text{Scale:}\ \ 2\ \text{cm}\ :\ 40\ \text{cm}\)

\(\rightarrow \text{Divide both sides by }2\)

\(\text{Scale:}\ \ 1\ \text{cm}\ :\ 20\ \text{cm}\)

 
\(\Rightarrow D\)