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https://vle.mathswatch.co.uk/images/questions/question15483.png

 Oct 31, 2017
 #1
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The area as shown is   5cm^2

 

The area after enlarging by a scale factor of 2 will be :

 

[ Old area ] * [ Scale factor ] ^2  =

 

[ 5 cm^2  ]  *  [ 2 ]*2  =

 

[ 5 cm^2 ] *  4  =  

 

20 cm ^2

 

 

cool cool cool

 Oct 31, 2017

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