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help me pls i dont really get it

 Feb 21, 2018

Last one before I head off to bed.....


(a)  They are similar because the corresponding sides are in the same ratio


36/30   = 48/40

6/5  = 6/5             

This is also the scale factor of the larger prism base to the smaller prism base  


(b)  If the prisms are the same height......the prism with base DEF will have a greater  volume


It will be (Scale Factor)^2   greater than the smaller prism  =  (6/5)^2  =  36/25  times as great 



cool cool cool

 Feb 21, 2018

thanks so much this is really helping me with my study guide before the exam starts

cerenetie  Feb 21, 2018

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