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Mathematics 19 Online
OpenStudy (anonymous):

Match the scale factor of the side lengths of a regular polygon with the scale factor that results for the area, volume or perimeter.

OpenStudy (anonymous):

OpenStudy (anonymous):

No. How do you know what to do?

OpenStudy (zale101):

For example 16 is for D area: scale factor 64 8 matches the area: scale factor 64 because the area is proportional to the square of the linear dimension.

OpenStudy (anonymous):

Sorry I am being really stupid. But I really don't get it. Could you work one out with me?

OpenStudy (zale101):

for the last one, 64 divided by 8 is what ?

OpenStudy (anonymous):

8

OpenStudy (zale101):

Right, so the answer for the match is 8, the first one is 1 cuz 4/4 is 1

OpenStudy (anonymous):

So, it would be like 9/9 = 1? or 81/9 = 9? Like that?

OpenStudy (anonymous):

How do they get the x 3 or /2?

OpenStudy (anonymous):

And what does area volume or perimeter have to do with all of this?

OpenStudy (zale101):

There question was different than yours, you see your chart has perimeter scale factor: 4 That's how your question should be solved

OpenStudy (anonymous):

So we just multiply or divide by 4?

OpenStudy (zale101):

et me observe your question for a bit.. i think i did something wrong there

OpenStudy (anonymous):

okay, take your time.

OpenStudy (zale101):

perimeter scale factor means you do square root 2

OpenStudy (anonymous):

oh

OpenStudy (anonymous):

So, 8^2, 4^2, 16^2

OpenStudy (anonymous):

Wait. Then there is volume and area.

OpenStudy (zale101):

Yes. the volume, area, and perimeter are solved differently

OpenStudy (zale101):

Area scale factor = (Linear scale factor)^2

OpenStudy (anonymous):

What is linear scale factor?

OpenStudy (zale101):

Your chart shows the definition, in the column, Area scale factor 64, that's the linear scale factor

OpenStudy (anonymous):

So, 8 would be 64.

OpenStudy (zale101):

Right

OpenStudy (anonymous):

and for volume. 16 would be 8.

OpenStudy (anonymous):

Thanks for the medal too!

OpenStudy (zale101):

Your welcome. So did u match A and B

OpenStudy (anonymous):

a = 2 and b = 4

OpenStudy (zale101):

AWESOME!

OpenStudy (zale101):

Sorry for giving you such a hard time, the question was difficult for me.

OpenStudy (anonymous):

No, you helped me a lot! Thanks sooo much!

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