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pls help me with these twwo questions

cerenetie  Mar 3, 2018
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First  one

 

Orginal  perimeter  =  2 ( 12 + 17)

 

New perimeter  =  2 ( 12*12 + 12*17)  =   2 ( 12 (12 + 17) )  =  12 * 2 (12 + 17)

 

So....the perimeter is increased by a factor of 12

 

Second one

 

hypotenuse  = sqrt  ( leg1 ^2  +  leg2 ^2 )  =

 

sqrt  (15^2  + 25^2 )  =

 

sqrt  ( 225  + 625)    =

 

sqrt ( 850)  =  29.15 ft

 

 

cool cool cool

CPhill  Mar 3, 2018

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