The actual size of a beetle is 2.5 inches across. A photo of
the beetle is turned into a page of a book. If the scale factor
200%what is the size of the beetle on the photo ?
The scale factor is
This is equivalent to the
decimal
and fraction
a) Reduction ar Enlargement?
Actual
(Original) Size
1
Scale (New)
Scale factor
Size
b) Write an equation, in terms of the scale factor, that
shows the relationship between the lengths of the two
figures
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13. The height of a toy is 24 inches tall. A scale drawing of
the toy is made using a scale factor of 60%. What is the
height of the scale drawing?
The scale factor is
This is equivalent to the
decimal
and fraction
a) Reduction or Enlargement?
Actual
(Original) Size
X scale factor
Scale (New)
Size
) Write an equation, in terms of the scale factor, that
shows the relationship between the lengths of the two
gures.
Using a scale factor
