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http://prntscr.com/muoocm

 Mar 7, 2019
 #1
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Note that the two triangles are both right triangles with legs of 3 and 4.....so....he hypotenuse is

 

sqrt (3^2 + 4^2) =  sqrt (25) = 5

 

And this is the length of the sides

 

And we have a rectangle with bottom/top of 8 units

 

So....the permeter is  2(5) + 2(8)  + 2(4)= 10 + 16 + 8 =  34 cm

 

 

cool cool cool

 Mar 7, 2019

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