Question

Please help, will fan and medal?

Lilly rotated triangle RST 90 degrees counterclockwise around the origin. If angle R is 100 degrees and angle T is 50 degrees, what is the degree measurement of angle T'?

Answer 1

i will try to help >_<

Answer 2

thank you! :)

Answer 3

I believe it's 30, but I've been STRUGGLING so hard with it. I'm not sure and it's confusing me a lot

Answer 4

it is

Answer 5

because 100+50+ T= 180, which is the sum of all interior angles, 100+50=150 and 180-150 is 30

Answer 6

thank you so much!!

Answer 7

np ;)

Answer 8

plz fan and close this question now >_<

Answer 9

will do!