Question

look at the picture below

Answer 1

have you heard of the inscribed angle theorem?

Answer 2

no

Answer 3

http://www.mathopenref.com/arccentralangletheorem.html

Answer 4

the inscribed angle theorem says that if you have a central angle cutting off an arc, then an inscribed angle will cut off the same arc...but that inscribed angle will be half of the central angle


or the central angle will be double the inscribed angle

Answer 5

angle R is the inscribed angle and angle O is the central angle

Answer 6

always twice

Answer 7

the website I posted has a great way of demonstrating