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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.
@AccessDenied so it is 5.2??? right!!!
@dpaInc & @AccessDenied so its settled... the answer is 5.2???!!! right???
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|