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Mathematics 14 Online
OpenStudy (anonymous):

Can someone help me with 3 Geometry questions...Fan and Medal!!!

OpenStudy (anonymous):

1) How are reflections represented as a function? 2) What is the relationship between a reflection and a rigid motion? 3) How are rotations represented as a function? What is the relationship between a rotation and a rigid motion?

OpenStudy (anonymous):

For the record I don't just want "answers" I would like to understand

OpenStudy (perl):

i need more context, what class is this

OpenStudy (perl):

i mean,

OpenStudy (perl):

hiigh school geometry?

OpenStudy (perl):

if its high school geometry. we can show reflections using f(-x),-f(x), and reflection about y = x

OpenStudy (perl):

its easier to use (x,y)

OpenStudy (anonymous):

it is. I am having a tough time in Geometry. I need to get a tutor. I am very disappointed in Open Study. Do you have a suggestion for another website? Open Study seems to be all about a rush job to give an answer but no one takes the time to explain.

OpenStudy (perl):

high school geometry?

OpenStudy (anonymous):

Yes High School Geometry 11th Grade to be exact.

OpenStudy (perl):

what book are you using

OpenStudy (perl):

give me as much information as you can about your class, the more i know the easier it is to help you

OpenStudy (anonymous):

It's difficult because they don't give an actual problem to solve I am just expected to come up with an explanation

OpenStudy (perl):

i mean, about your homework

OpenStudy (perl):

is this a worksheet? a question from a book

OpenStudy (anonymous):

I do FLVS online school not sure what book they use. But it's difficult to read what is there and just completely understand. Sometimes when someone else explains in a different way it helps to get it. Am I making sense?

OpenStudy (perl):

can i access the book

OpenStudy (perl):

thats what i do, i will read and completely understand what they want from you

OpenStudy (perl):

the question is very general , thats why im not sure how to make it specific

OpenStudy (perl):

A (2d) transformation is a function from a plane to a plane.

OpenStudy (perl):

they call it a mapping, because its suggestive of a map . what is a map exactly

OpenStudy (anonymous):

I guess you can't unless you are an actual student :(

OpenStudy (perl):

a map is a transformation of the earth, it shrinks it until countries are visible

OpenStudy (anonymous):

I can show you what I put for my other questions I had to answer. I'm not even sure if they're right

OpenStudy (perl):

draw button broke, one sec

OpenStudy (anonymous):

For instance Here is of the questions I had to answer: How does the criterion for triangle congruence (ASA, SAS, and SSS) follow from the definition of congruence in terms of rigid motions?

OpenStudy (anonymous):

This was what I wrote: SSS, SAS, ASA actually acronyms for "Side Side Side," "Side Angle Side," and "Angle Side Angle." These 3 acronyms represent different combinations of sides and angles that must correspond in order for two triangles to be congruent: all corresponding sides, two corresponding sides and their included angles, or two corresponding angles and any corresponding side. If two triangles meet just one of these three criteria, they're congruent. You should know what these three rules are and how they work, also when to use which one based on the situation. Sometimes more than one applies! When even one of these rules applies, the triangles are congruent not because the rule "says so," but because it's a quick way of realizing that all side lengths and angles are congruent. Basically, the concept of congruence hasn't changed. It’s just shortcuts

OpenStudy (perl):

|dw:1414666394328:dw|

OpenStudy (perl):

so we have two planes

OpenStudy (anonymous):

ok I think I'm getting this

OpenStudy (perl):

points on the bottom plane are called (x,y)

OpenStudy (perl):

points on the top plane are called ( x ' , y ' )

OpenStudy (perl):

lets say , you can also use (a,b) and (c,d) . its immaterial

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