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Mathematics 9 Online
OpenStudy (anonymous):

The rectangles shown are similar. What is the value of x? A. 6 B. 12 C. 8 D. 7 http://static.k12.com/calms_media/media/1299500_1300000/1299529/1/b194c192385e11a34baf585f6cf9b95a43901ff0/141105.jpg

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

Set up a proportion. \(\dfrac{24}{15} = \dfrac{x}{5}\)

OpenStudy (astrophysics):

Cross multiply lol

OpenStudy (igreen):

Multiply 5 to both sides: \(x = \dfrac{24 \times 5}{15}\)

OpenStudy (igreen):

Have I ever failed you? @Deadpool117

OpenStudy (anonymous):

couple of times

OpenStudy (igreen):

o.O Really? Didn't know..

OpenStudy (anonymous):

it ok

OpenStudy (astrophysics):

Shame on your Honorary Professor! :P

OpenStudy (igreen):

LOL

OpenStudy (anonymous):

i got 135

OpenStudy (anonymous):

@iGreen

OpenStudy (astrophysics):

Notice the point of this question though

OpenStudy (anonymous):

i came out with 135

OpenStudy (anonymous):

WAIT I MEESSED UP

OpenStudy (astrophysics):

It is telling you both the shapes are proportion hence we can make the ratio as igreen presented.

OpenStudy (anonymous):

it 8?

OpenStudy (astrophysics):

Yes

OpenStudy (anonymous):

ima give both of chu medal

OpenStudy (anonymous):

watch

OpenStudy (anonymous):

:3

OpenStudy (igreen):

Yep, you got it.

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