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# An Angle Bisector Dividing the Opposite Side Proportionally

GEOM-5DGYNI

$$\text {Given: }\overline {PT}\text { bisects }\angle RPS$$

$$\text {Find RS.}$$.

A

$4.8$

B

$9.6$

C

$12$

D

$12.8$

E

$20$