SOLUTION: A rectangle that is 20 cm long and 28 cm wide is the same shape as one that is 9 cm long and z cm wide. Find the value of z.

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Question 1191649: A rectangle that is 20 cm long and 28 cm wide is the same shape as one that is 9 cm long and z cm wide. Find the value of z.
Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
.
A rectangle that is 20 cm long and 28 cm wide is the same shape
as one that is 9 cm long and z cm wide. Find the value of z.
~~~~~~~~~~~~~~ 


In this context, the words "is the same shape" mean "is similar".


It implies that the proportion takes place


     =  =  =  = 12  cm = 12.6 cm.    ANSWER

Solved.



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