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# Proportions and Similar Figures

## If 𝒂𝒃 = 𝒄𝒅, then The ratio 𝟐𝟒: 𝟑𝟔 𝒄 −𝟏 𝟏 𝟏𝟎

= =
the proportion is: simplified is: 𝟐 𝟒 𝒄+𝟐 𝟓
𝒂 𝒄 𝟏
= 𝟖: 𝟗 𝒄=−
𝒃 𝒅 𝟐

𝒂 𝒄 False 𝟑
= 𝟐: 𝟑 𝒄=−
𝒅 𝒃 𝟐
Two squares are A proportion is
𝟐 𝒄 𝟐 𝟒 always similar. an equation having two
= =
𝟗 𝟏𝟖 𝟐𝒄 𝟏𝟐 ratios ________.

## The similar The corresponding The corresponding

𝟑 𝒄
If = 𝟔 ,then 𝟐𝒄 is: angles of the similar sides of the similar
figures have: 𝟐
figures are: shapes are:
Same shape but
different size
𝟐𝒄 = 𝟏𝟖 Zero

## Different shape 𝟏 𝒂𝒄 = 𝒃𝒅 Proportional

𝟐𝒄 =
but same size 𝟐
𝒂 𝒄
The ratio 𝟎. 𝟑: 𝟏. 𝟐 𝟏 𝒃 If 𝒃
= 𝒅 , then
simplified is: =
𝒂 𝒄

𝟏: 𝟒 𝒂+𝒅 =𝒄+𝒅 𝒂𝒅 = 𝒄𝒅
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