Which one of these is not a step used when constructing an inscribed square using technology?

Create a circle using the center with given point tool.
Connect the point with a line through the center of the circle.
Mark the points of intersection between the three circles.
Create another circle with the same radius as the original.

I think it's C. Need confirmation though. Thank you!

Question

Which one of these is not a step used when constructing an inscribed square using technology?

 Create a circle using the center with given point tool.
 Connect the point with a line through the center of the circle.
 Mark the points of intersection between the three circles.
 Create another circle with the same radius as the original.

I think it's C. Need confirmation though. Thank you!

julyahx1 · Answer

@3mar @jim_thompson5910

jim_thompson5910 · Answer

A is definitely out because this sets up the initial circle B is out because this is the second step to set up one of the corner points, which leads to another corner point ----------------- C is out as well. Here is why: http://www.mathopenref.com/printinsquare.html imagine each arc is a full circle. Drawing an arc instead of a circle means there's less unneeded clutter ----------------- So choice D is the only thing left which means it's the answer

julyahx1 · Answer

I just looked. I guess d does make sense. But u sure right?

jim_thompson5910 · Answer

yes. If you create a circle with the same radius, but with the center point at the corner, then you won't be able to make the perpendicular bisector marks

julyahx1 · Answer

what do you think 3mar?

jim_thompson5910 · Answer

the radius of the second circle needs to be larger than the first radius

julyahx1 · Answer

Clook at this what i found: http://www.jiskha.com/display.cgi?id=1421798390 Someone said it was c

3mar · Answer

I have another approach @jim_thompson5910 that does not lead to D. So if you don't min, I want your opionoin about C.... Why C? Because D is mentioned in this video link illustrating the steps to construct an inscribed square in a circle, and you can consider this circle instead of the second arc you would draw... Feel free to take a look! https://www.khanacademy.org/math/geometry-home/geometric-constructions/polygons-inscribed-in-circles/v/constructing-square-inscribed-in-circle

jim_thompson5910 · Answer

@3mar, at 1:04 khan mentions how the radius needs to be bigger

jim_thompson5910 · Answer

so the radii aren't the same

3mar · Answer

and if you are confused about "the same radius", so "circle with the same radius" refers to the circle that you construct equal to the first circle you drew firstly (instead of the first arc)...

julyahx1 · Answer

m really leaning towards c though in my gut idk

julyahx1 · Answer

whats your opinion @sunnnystrong C or D?

3mar · Answer

I am sure that @jim_thompson5910 will lean to C after what I have cleared!

sunnnystrong · Answer

Pretty sure it's C

3mar · Answer

Not just me. haha

julyahx1 · Answer

i also think c

julyahx1 · Answer

im gonna put c

3mar · Answer

But I need also @jim_thompson5910 to be sure that it is C..

what would you say @jim_thompson5910 ?

jim_thompson5910 · Answer

as I've stated earlier, the answer is D

D is not part of the steps because the second radius needs to be larger. If the radii were the same, you won't be able to form the perpendicular bisector marks (1:45 in the video)

julyahx1 · Answer

ill let yall know when i get the answer if im right

julyahx1 · Answer

i have another one i will open new

3mar · Answer

@jim_thompson5910 
"the original circle" is the first circle you drew, not the given one.
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