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Mathematics 17 Online
OpenStudy (anonymous):

Given figure ABCD ~ figure WXYZ, what is the value of k? ---- m http://static.k12.com/calms_media/media/1572000_1572500/1572062/1/91e95b6c5fdd03787002cc188acb432ee1656255/MS_IMC-141210-110201.jpg

OpenStudy (anonymous):

The shapes are similar, so in that case, if line CB is 4.2, and line YX is 8.4, that means in was doubled in size. So do the same to k. Line DC is 2.3. What is 2.3 doubled?

OpenStudy (anonymous):

4.6 sorry i took so long

OpenStudy (anonymous):

Yes!!! Good job. So line ZY = 4.6! You did it! :)

OpenStudy (anonymous):

thanks! :)

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