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Mathematics 20 Online
OpenStudy (anonymous):

Val owns a hardware store. The floor plan drawn on the coordinate grid below shows its five different sections. Val calculates the ratio of length and width of each section drawn on the grid and concludes that two sections are similar. Which two sections appear as similar geometric figures on the grid? A.) Section J and Section M B.) Section M and Section S C.) Section S and Section J D.) Section T and Section S

OpenStudy (anonymous):

OpenStudy (zepp):

So what are the requirement for two figures to be similar?

OpenStudy (anonymous):

im not sure, this is all the question tells me

OpenStudy (anonymous):

i found the length and width fo each of them but stil no answer...

OpenStudy (zepp):

Well, two figures that similiar must have the same corresponding length ratio.

OpenStudy (anonymous):

S and T do

OpenStudy (zepp):

They do not, they have the same height, but different width.

OpenStudy (anonymous):

yea i agree

OpenStudy (zepp):

Let's proceed by elimination; A.) Section J and Section M J and M has the same width, different height, so false. C.) Section S and Section J Definitely not the same. D.) Rejected

OpenStudy (anonymous):

ok so no D

OpenStudy (anonymous):

or C

OpenStudy (zepp):

So the answer is ?

OpenStudy (anonymous):

B?

OpenStudy (zepp):

Yep :)

OpenStudy (zepp):

When unsure, proceed by elimination, get rid of what you know that isn't true, then you can try to find which one makes more sense.

OpenStudy (anonymous):

thanks for the help and the advice

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