Prove the Triangle Inequality Theorem. It says that the sum of the lengths of any two sides of a triangle is greater than the length of the third side.
The diagram shows â–³PQR. It also shows PSand QS. PS is an extension of PR with PS=PQ.

Complete the proof that PQ+PR>QR.

Prove the Triangle Inequality Theorem It says that the sum of the lengths of any two sides of a triangle is greater than the length of the third side The diagra class=


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