Answer:
top left, S is the midpoint of RT, given
left 2nd row, US=RS is the definition of midpoint
right 2nd row, US=RS
3rd row,US is congruent to ST, definition of an isosceles triangle
4th row, triangle STU is an isosceles triangle, due to SSS
Hope this helps! :)
um where are the answer choices, and did you ever get the answer to this?
135 red and 225 blue
Step-by-step explanation:
I believe the answer is C. 40 and 140.
You need to give us the possible answers first.