Question

Give the missing reasons in this proof of the Alternate Interior Angles Theorem. Diagram drawing will be in the comments. Given: L is parallel to n. Prove: angle 4 ≅ angle 6 1. L is parallel to n 1. Given 2. angle 2 ≅ angle 6 a. ??? 3. angle 4 ≅ angle 2 b. ??? 4. angle 6 ≅ angle 4 c. ??? @phi

Answer 1

i tried my best to answer this but i really suck at this stuff

Answer 2

where's the diagram?

Answer 3

18
For a regular n-gon:

Answer 4

?

Answer 5

thats all the question says

Answer 6

Diagram drawing will be in the comments.

Answer 7

http://openstudy.com/study#/updates/507c59b0e4b07c5f7c1f75f1

Answer 8

i just need c

Answer 9

1. L is parallel to n 1. Given
2. angle 2 ≅ angle 6 a. ??? corresponding angles of a transversal of 2 parallel lines
3. angle 4 ≅ angle 2 b. ??? by vertical angles
4. angle 6 ≅ angle 4 c. ??? things equal to the same thing are equal to each other

Answer 10

confused

Answer 11

by what statement ?

Answer 12

coorisponding angle postulate for a b is vertical opposite angles and im trying to figure out c

Answer 13

It is a "common sense" idea we use in geometry
Euclid (see http://aleph0.clarku.edu/~djoyce/java/elements/bookI/cn.html)
assumed some things at the very beginning.

one of the things we assume is true, is
if A= B and C=B then A=C because things (A and C) equal to the same thing (B) are equal to each other (A=C)

Answer 14

like i said i suck at math and im getting confused even more i made a 41 on my midterm this is why i cam to u for help but its so confusing

Answer 15

*** i made a 41*** ouch!
The good news is you can learn this stuff. The bad news is it takes a LOT of work. By work, I mean time and concentration. Some of the things you learn is memorizing new words and remembering what they mean. Other things you learn is more like "thinking".

You can "catch up" if you use Khan's videos
start with
http://www.khanacademy.org/math/geometry/intro_euclid/v/euclid-as-the-father-of-geometry
http://www.khanacademy.org/math/geometry/intro_euclid/v/language-and-notation-of-basic-geometry

Then look at
http://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/Angle_basics/v/angle-basics
http://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/Angle_basics/v/measuring-angles-in-degrees

Answer 16

The idea is to work your way through
http://www.khanacademy.org/math/geometry