Question

Write a paragraph proof of theorem 3–8. In a plane if two lines are perpendicular to the same line then there are parallel to each other.

Answer 1

http://assets.openstudy.com/updates/attachments/4f83d7f2e4b0505bf084abc1-xitskaylee23-1334040576629-4511601217201095649am253341838.png

Answer 2

@phi

Answer 3

@3mar

Answer 4

@Will.H

Answer 5

One minute, please!

Answer 6

Take your time

Answer 7

I really thank you for your kindness!

Answer 8

Well, I am here.
Sorry for late.

Answer 9

Can we start?

Answer 10

Yes of course

Answer 11

Line 2 is normal to line 1, so that the intersection angle is 90 degree (definition or perpendicular line)

ok?

Answer 12

Okay

Answer 13

Actually all the four angles forming the intersection are normal angles.

Answer 14

Then

Line 3 is normal to line 1, so that the intersection angle is 90 degree (definition or perpendicular line).