jacklynechan jacklynechan 27-10-2022 Mathematics Answered A conjecture and the flowchart proof used to prove the conjecture are shown. R Given: S is the midpoint of RT. US RS Prove: ASTU is an isosceles triangle. U S is the midpoint fo RT. S Drag an expression or phrase to each box to complete the proof. Answers: Transitive property of congruence Definition of isosceles triangles Given RS ~= ST US~= RS