Question

help..

Answer 1

A student made the table shown below to prove that MN is equal to NT.

Answer 2

Statements Justifications
RN = PN
Given
m∡PNM = m∡RNT
Given
m∡MRN = m∡TPN
Given
m∡PNT = m∡PNM + m∡MNT
Angle Addition Postulate
m∡RNM = m∡RNT + m∡MNT
Angle Addition Postulate

m∡PNT = m∡RNM
Transitive Property
RNM ≅ PNT
ASA postulate
MN = TN

CPCTC

Answer 3

A. Provide the missing statement and justification in the proof.
B. Using complete sentences, explain why the proof would not work without the missing step.

Answer 4

Hmm...thinking.

Answer 5

@OakTree can you read that two column ?

Answer 6

Already there.

Answer 7

okay just making sure

Answer 8

Oh. Duh. So, where it says "Angle PNT = Angle PNM + Angle MNT" that isn't necessarily true unless you first say that Angle PNT = Angle PNM + Angle PNM. Then, after that, you replace the Angle PNM with the Angle MNT. The reason is because you can't add angles like that unless they're directly next to each other. It's very nitpicky, and honestly no one would ever care, but that's it.

Answer 9

huh? no that not what the question asked.. it asked thats the missing step & why wouldnt the proof work without that step

Answer 10

im going to post the column so its easier to read

Answer 11

That's what I gave you. You need to first say that Angle PNT = Angle PNM + Angle MNT.

Answer 12

And don't bother with that - it's a waste of your time.

Answer 13

ohhhhh i see what you did

Answer 14

Good. :)

Answer 15

i think im going to skip that one im confused on what i should put for that step still

Answer 16

Okay.

Answer 17

thanks though. or do you know what goes to that step?

Answer 18

if not its fine but if you do it would be great?

Answer 19

What I said goes there. You need to put in that Angle PNT = Angle PNM + Angle MNT.

Answer 20

what is the justification? thats what goes in for the statement part right?

Answer 21

Yeah. Everything is up there in things I've said.

Answer 22

okay