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Mathematics 13 Online
OpenStudy (anonymous):

So I got a bad grade on assignment for geometry and I've been given the opportunity to take a re do assignment. I've done most of it but there is just one that i can't figure out, please help(i'm writing it down below now)

OpenStudy (anonymous):

Here is the thing, I have to feel out a proof.

OpenStudy (anonymous):

What's it over

OpenStudy (anonymous):

OpenStudy (anonymous):

Please allow me to type it out :)

OpenStudy (anonymous):

Given: ∠ 2 ≅ ∠ 8 Prove: ∠ 6 ≅ ∠ 4 Statements Reasons 1. ∠ 2 ≅ ∠ 8 1. ___________________________ 2. ∠ 2 ≅ ∠ 6 2. ___________________________ 3. ∠ 6 ≅ ∠ 8 3. ___________________________ 4. ∠ 8 ≅ ∠ 4 4. ___________________________ 5. ∠ 6 ≅ ∠ 4

OpenStudy (anonymous):

So I have about three of the five filled out.

OpenStudy (anonymous):

1. Given 2.Vertical angles are congruent and 4. Vertical angles are congruent

jimthompson5910 (jim_thompson5910):

The reasoning for step 3 is "substitution" we know that `∠ 2 ≅ ∠ 8 ` from line 1 we also know `∠ 2 ≅ ∠ 6` from line 2 angle 2 is equal to angle 8 and angle 6, so we can substitute to get `∠ 6 ≅ ∠ 8`

jimthompson5910 (jim_thompson5910):

it's kinda like saying y = x y = 2 so x = 2 because we can replace the first 'y' with '2'

OpenStudy (anonymous):

That's what I thought but the choices given are: 1.Definition of Congruent Segments 2.Definition of a linear pair 3.Reflexive Property 4.Symmetric Property 5.Transitive Property

jimthompson5910 (jim_thompson5910):

`Transitive Property` if x = y and y = z, then x = z notice how x points to y, then y points to z so to make a shortcut, x ultimately points to z

jimthompson5910 (jim_thompson5910):

you "transition" from one variable to another making connections

jimthompson5910 (jim_thompson5910):

the `Transitive Property` and the `Substitution Property` are very similar ideas in terms of how things are connected

OpenStudy (anonymous):

I thought about that. Because my thought was that transitive meant that if this equals that, then this equals this because that equals that.. sorry I knowconfusing but I thought both were that

jimthompson5910 (jim_thompson5910):

the two properties are very similar that they're basically the same (more or less)

jimthompson5910 (jim_thompson5910):

so yeah you have the right idea about it

OpenStudy (anonymous):

So both of these would be transitive property right? I mean, both of the ones I have empty, to me it makes sense they would be that one

jimthompson5910 (jim_thompson5910):

you mean reason 3 and reason 5 ?

OpenStudy (anonymous):

Yes :)

jimthompson5910 (jim_thompson5910):

I agree

OpenStudy (anonymous):

Thank you very much, this has helped me a ton :)

jimthompson5910 (jim_thompson5910):

I'm glad it makes sense now

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