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1) a reflection over the y-axis, followed by a reflection over the x-axis
That sounds correct to me
oh, ok I just need 2) & 3) I think...
Yes, that is correct
On 2) which CC there's three.
i rally need help cause i don't get it.. i got confused!!! :( so i would really appreciate the help from anyone right now!!!
|dw:1338667087210:dw| imagine if C was on that firs line... what would the distance be then between C and C'' ?
is it: Distance between k and m = 2.6 inches Distance from C to the distance from C" to m = 2.6 inches because this is a translation. 2.6 inches + 2.6 inches = 5.2 inches 5.2 inches or not???
two reflections over separate parallel lines = translation
wht does thts mean dpalnc???
so what is it then??? i have no clue then!!!
|dw:1338667406829:dw| oh, yeah... your right... 5.2
i'm bad with these transformations.... :(
so it is 5.2???
wait... lemme double check..
can you help me with number "3)"??? i would really appreciate it!!
yes it is... :)
|dw:1338667559696:dw| If maybe that representation makes sense, to see why its 5.2: we have the 2.6 in the center, and then the two segments that compose 2.6 on the outside to make another 2.6.
Yes. lol as for the next one, I'd have to think about that one.
ok, but please do help me :) i would realllyyy appreciate ur help and dpalnc's help tooo!!! alot!!!
isn't it obvious now? go get from A to A''?
is it right wht i got???
"length of CC'' = 110 degrees" ?? when did they start using degrees to measure length?
i gotta read up more.. :)
if uur doing 3), it says Find the angle of rotation that maps A onto A". so i guess it says to find it in degreess?? right???
yep... you seem stressed... take a break... have a donut...:)
hahaha, yeah sort of because i gave beeen working on these problems for a long period of time. and the hw is due tomorrow!!! so yeah.. so wht is the answer for |dw:1338668638807:dw|
this shows that to get from A to A'' , just double the angle between the two intersecting lines of reflection... :) we didn't give you directly that the angle of rotation is twice that... i thought this clearly shows how much you should rotate to get to where you want to...|dw:1338668814266:dw|