Question

In < RST, RT = 4, ST = 8, and TX bisects < RTS.
Which of the following proportions must be true?

Answer 1

A. \[\frac{ RX }{ ST }=\frac{ TR }{ SX }\]

Answer 2

B. \[\frac{ TX }{ XR }=\frac{ ST }{ RT }\]

Answer 3

C. \[\frac{ RX }{ RT }=\frac{ SX }{ ST }\]

Answer 4

D. \[\frac{ RX }{ RS }=\frac{ XS }{ ST }\]

Answer 5

c is the correct option