Q. 224.5( 11 Votes )
S is any point in
Following construction is to be made in the given figure.
Extend QS to meet PR at T.
Now, in ∆ PQT,
PQ+PT>QT (sum of two sides is greater than the third side in a triangle)
Now, In ∆ STR,
ST+TR>SR (ii)(sum of two sides is greater than the third side in a triangle)
Now, adding (i) and (ii),
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