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rajfk35
 3 years ago
Observe parallelogram ABCD plotted on the coordinate plane below.
Part I: Provide the coordinates of a parallelogram A’B’C’D’ that is congruent to parallelogram ABCD. Explain why these figures are congruent. (4 points)
Part II: Provide the coordinates of a parallelogram A’’B’’C’’D’’ that is similar to parallelogram ABCD. Explain why these figures are similar. (6 points)
rajfk35
 3 years ago
Observe parallelogram ABCD plotted on the coordinate plane below. Part I: Provide the coordinates of a parallelogram A’B’C’D’ that is congruent to parallelogram ABCD. Explain why these figures are congruent. (4 points) Part II: Provide the coordinates of a parallelogram A’’B’’C’’D’’ that is similar to parallelogram ABCD. Explain why these figures are similar. (6 points)

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Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Do you need help with both parts?

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0This is geometry, isn't it?

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Yeah. Coordinate Geometry.

rajfk35
 3 years ago
Best ResponseYou've already chosen the best response.0yes i need help with both parts

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Do you know what a Dilation and Translation is?

rajfk35
 3 years ago
Best ResponseYou've already chosen the best response.0translation is it when you move the figure to the opposite side from where it is

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0And what about a dilation, rajfk?

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Translation isn't the opposite side one. Isn't reflection the one that you described?

rajfk35
 3 years ago
Best ResponseYou've already chosen the best response.0i do not know that one Darlin

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0It's when the figure gets bigger or smaller by a certain factor.

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1So anyway, translation is when you add random numbers to both x and y. An example of that would be (x,y)> (x+1,y+3)

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Dilation is when something gets smaller or bigger by a constant like Darlin said. An example, if the constant is 2 would be (x,y)>(2x,2y)

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1So for the first part, translations make geometric objects stay congruent

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Because the distances are all still the same

rajfk35
 3 years ago
Best ResponseYou've already chosen the best response.0okay i get that part now

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0Couldn't have said it better myself :)

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1So you find the coordinates for all 4 points and add or subtract whatever you want to them to get the first part

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Shift all the points one column to the right if you're feeling lazy

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1For the second part, what you want to do is get the coordinates and multiply x and y by 2. Then you plot the new coordinates you found

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0Lazy doesn't get u anywhere.... I know that from experience, but it can work. Just make sure you double check your work...

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Lazy gets you somewhere if you're good at it. But that's just for math. I fell asleep for the math placement test and got double period algebra. But I got an 100 average for it

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1raj. How are you holding up?

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Are you done? Or do you still need me?

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0Can't you do a proportion for the second part to see that they are similar?

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Well, yeah. But that's just for checking it. You would be guessing and checking to get the coordinates

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1okay. Raj. Give me the coordinates for point A I'm too lazy to find it

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0hmm... good to know... then I have been doing that part wrong for a long time.....

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Alright. You're taking too long to find it for me. so A is (7,3). What you do is make up a random constant like 2. So (x,y)>(2x,2y), right?

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1So then you plug x and y in to get (2[7],2[3]) or (14,6)

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Which means that A11 is (14,6). Understand?

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0Well, I understood, but I don't know if Raj did...

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1Darlin. what are you taking for math next year?

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0I am finishing up geometry this week

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0Right now, I'm on geometric proofs. I don't like it at all...

Grazes
 3 years ago
Best ResponseYou've already chosen the best response.1You have class now? But it's the summer break. And mind looking at this? http://openstudy.com/study#/updates/50207fade4b0fef6292c85b8

DarlingDare
 3 years ago
Best ResponseYou've already chosen the best response.0Yes, I want to skip a grade in the math department..... and sure!!!!!
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