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Mathematics 7 Online
OpenStudy (anonymous):

Val owns a hardware store. The floor plan drawn on the coordinate grid below shows its five different sections.

OpenStudy (anonymous):

OpenStudy (anonymous):

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? Section J and Section M Section M and Section S Section S and Section J Section T and Section S

OpenStudy (anonymous):

C

OpenStudy (anonymous):

now this one is a differnt question On a school map, the points (8, -4), (8, -10), (2, -4), and (2, -10) represent the four corners of a sand park. What are the coordinates of the center of the sand park? (6, -9) (5, -7) (4, -2) (8, -5)

OpenStudy (anonymous):

Length and width of S are 8 and 4..ratio is 2:1 Length and width of J are 2 and 1..ratio is 2:1

OpenStudy (anonymous):

yea thats what i thought .

OpenStudy (anonymous):

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OpenStudy (anonymous):

6, -7

OpenStudy (anonymous):

5, -7

OpenStudy (anonymous):

how ?

OpenStudy (anonymous):

Well the width is 6 squares.. So to get to the middle we should go three steps which means 5..

OpenStudy (anonymous):

oh alrighyy

OpenStudy (anonymous):

A trapezoid is drawn on a grid with vertices at P (-5, 7), Q (-2, 7), R (2, 3), and S (-8, 3). Trapezoid UVWX will be drawn similar to Trapezoid PQRS with side WX corresponding to side RS. The point (8, -4) will be the location of vertex W and point (-12, -4) will be the location of point X. What will be the coordinates of vertex V? Show all your work or explain your reasoning.

OpenStudy (anonymous):

you about done ?

OpenStudy (anonymous):

Still working on it The drawing will be in a couple of minutes...

OpenStudy (anonymous):

So, I am leaving it to you @Miyuru ...If any problem, call me..

OpenStudy (anonymous):

Well I am not sure about it too @AbhimanyuPudi .. You give a try. I think it's the same point as Q. :)

OpenStudy (anonymous):

oh ok

OpenStudy (anonymous):

AbhimanyuPudi van you help me with it

OpenStudy (anonymous):

Ok...is V=(-6,4)

OpenStudy (anonymous):

?

OpenStudy (anonymous):

V equal -6,4 ??

OpenStudy (anonymous):

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OpenStudy (anonymous):

So, all the lengths get doubled...

OpenStudy (anonymous):

but how do i answer that question in the right way?

OpenStudy (anonymous):

can u hurry please i have a doctors app. in 10 mins

OpenStudy (anonymous):

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OpenStudy (anonymous):

can u put it in words please

OpenStudy (anonymous):

Since, the trapeziums are similar, the ratio of all the similar lengths is the same...We got the ratio to be 1:2 as the length of side WX is 2times the length of RS

OpenStudy (anonymous):

Got it?

OpenStudy (anonymous):

All the similar lengths like heights,slants,sides are in ratio 1:2

OpenStudy (anonymous):

Any doubt? ask right now..I'll clarify them

OpenStudy (anonymous):

No i got it thank you so much for your help/

OpenStudy (anonymous):

welcome:) I'm glad that my explanation was clear and understanding....

OpenStudy (anonymous):

Now that is awesome @AbhimanyuPudi ...Hey @kristensmith19 Why don't give him a medal for this help? I loved his way of doing this..

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