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In Figure 2, DE \parallel BC. Find the length of side AD, given that AE = 1·8 cm, BD = 7·2 cm and CE = 5·4 cm.

 

 

 
 
 
 
 

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Given DE \parallel BC,    AE = 1.8cm

                             BD = 7.2cm

                             CE = 5.4cm

                             AD = ?

\because DE \parallel BC,

\Rightarrow \frac{AD}{BD} = \frac{AE}{CE} \Rightarrow \frac{AD}{7.2} = \frac{1.8}{5.4} \Rightarrow AD = 2.4 cm

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Safeer PP

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