Question

Write an expression for m∠ RST

3x – 9

6x – 18

1.5x – 4.5

6x – 9

This is duplicate version of the question i forgot to add a picture to it

Answer 1

m <RST = 2* m < RSQ because SQ is a bisector of < RST

so mRST = 2 (3x - 9)
                = 6x - 18