Question

Given that line p is parallel to line q, and r is parallel to line s. Find the measure of <15.

Answer 1

15 is the same measure as 1

Answer 2

I thought so, but I'm not too sure because I can't think of which theorem proves it

Answer 3

corresponding angles

Answer 4

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

Answer 5

So do I subtract 65 from 90 to find measure 1? Which will give me measure 15?

Answer 6

perfect

Answer 7

see? you know more than you think

Answer 8

Thank you for the help! I was looking at 65 thinking that measure of 15 was 65 too, not 25.