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https://prnt.sc/luati5

 

89 ft2

79 ft2

49 ft2

59 ft2

 Dec 13, 2018
 #1
avatar+98034 
+1

The scale factor of the smaller triangle to the larger is   12/16 = 3/4

 

The area of the smaller   =

 

Area of larger x ( scale factor of smaller to larger)^2   =

 

105 *  (3/4)^2   =

 

105 *  9/16  ≈   59 ft^2

 

 

cool cool cool

 Dec 13, 2018

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