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Mathematics 13 Online
OpenStudy (anonymous):

Graph ABC and its image after a rotation of 180 about the origin.

OpenStudy (anonymous):

OpenStudy (anonymous):

Option A.

OpenStudy (anonymous):

Option C.

OpenStudy (anonymous):

Option D.

OpenStudy (anonymous):

@jhonyy9

OpenStudy (anonymous):

Option B.

OpenStudy (anonymous):

@triciaal

OpenStudy (anonymous):

@cwrw238

OpenStudy (anonymous):

@aum ?

OpenStudy (aum):

From the diagram find the x and y coordinates of points A, B and C first.

jhonyy9 (jhonyy9):

so like a first help B will have coordinates (-1,-5) ok ?

OpenStudy (anonymous):

c (-4,5) a (0) b (5,1) I'm horrible at this...

OpenStudy (anonymous):

Oh okay.

jhonyy9 (jhonyy9):

so can you continue ?

OpenStudy (anonymous):

I don't think I can do it by myself.

jhonyy9 (jhonyy9):

the A coordinates are easy ,yes ?

OpenStudy (anonymous):

Yeah,

OpenStudy (anonymous):

It would stay where it is.

jhonyy9 (jhonyy9):

so then C coordinates will be (4,-5) ok ?

OpenStudy (anonymous):

Okay

jhonyy9 (jhonyy9):

but do you understand it how and why ?

OpenStudy (anonymous):

I understand that part.

jhonyy9 (jhonyy9):

so try rotating this triangle about origin 180 degree and will get the right answer

OpenStudy (anonymous):

I'm probably wrong... but I'm thinking B?

jhonyy9 (jhonyy9):

ahhh ! there are choises ?

OpenStudy (anonymous):

Above

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

Files labeled a b c and d

jhonyy9 (jhonyy9):

C is right sure check it please in text of exercise wrote 180 degree

jhonyy9 (jhonyy9):

so what mean the point B will be rotated about origin two quadrants yes ?

jhonyy9 (jhonyy9):

one quadrant mean 90 degree then two will be 180 degree ok ?

OpenStudy (anonymous):

Oh sorry. I should be specific. I meant that, I'm thinking Option B. is correct.

jhonyy9 (jhonyy9):

no ! C will be correct ok ?

OpenStudy (anonymous):

Oh! Okay, sorry. Thank you for your patience. =)

jhonyy9 (jhonyy9):

np was my pleasure but hope so much that you have understood it sure yes ?

OpenStudy (anonymous):

Yes. =)

jhonyy9 (jhonyy9):

ok bye

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