In triangle PQR,PM is the median , show that PQ + QR+PR > 2PM.
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Step-by-step explanation:
Given -ln ΔPQR, PM is the median .
To show-PQ+QR+PR>2PM.
proof-
PQ+QM+PM...equation 1
PR+RM+PM...equation2
Adding equation 1&2
PQ+QM+PM+PR+RM+PM
PQ+QR+PR>2PM
HENCE PROVED
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