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Look at the planes ABCD and EFGH shown below:
The two planes intersect along which of the following lines? ND MN AM AD
how? cause i dont understand
I think it would be MN because that is where the middle of the figures are! It is where they all intersect!
take a look at the graph and look at the line ND
yes, but MN is not a line
What is the difference between AM and ND?
as we can see the intersection occurs at points M and N
but thats not a line
I think that we can refer such intersection to one segment, whose endpoints are just points M and N
so, what is the right option?
one sec i have to do one more question wanna help?
Square EFGH has been reflected across the x‐axis and then reflected across the y‐axis. Which of the following transformations would return the square to its original position? Reflection across the line y=x Reflection across the x‐axis Reflection across the x‐axis and then reflection across the y‐axis Reflection across the y‐axis
would A and C be the same
no, I'm sorry, only one option is the correct option
so whats the right answer
|dw:1450375557021:dw| now, using a transformation, we have to get the original shape, starting from the blue shape
A is like a 180 rotation right
no, since in order to do that, we need of a 90 degree rotation
so its C
the first question we did was right
you are right! it is option C
what is the right option for first question?