Question

http://prntscr.com/2l1erk

Answer 1

They're vertically opposite angles!

Answer 2

A. Vertical Angles

Answer 3

yeah @musa19965

Answer 4

@random231 Go sleep! It's past your bedtime! :P And the angles are vertically opposite to each other! @musa19965

Answer 5

i dont sleep so early @Potatoes.ramu i study till 1:30 PM ;)

Answer 6

There is no term "vertically opposite." The angles are simply "vertical angles."

Answer 7

http://www.mathsisfun.com/geometry/vertically-opposite-angles.html

Answer 8

@mathstudent55

Answer 9

I see, some web pages do call these angles vertically opposite angles, but I am used to calling them only vertical angles. Also notice that of the 3 choices, the only one that makes sense is just plain "vertical angles."

Answer 10

@Potatoes.ramu Thanks for pointing it out.

Answer 11

Well, it says that in America they use vertical angles.. I had no idea about that lol

Answer 12

@mathstudent55 no problem! :)

Answer 13

Oh, no wonder I had never seen vertically opposite. Thanks for the explanation.

Answer 14

No problem! :)