O is any point in the interrior of ∆XYZ .P, Q and R are the mid-points of XO,YO and ZO respectively. Prove that PQ+QR+RP = half (XY+YZ+ZX).......Guys plz answer it .I need it quick....
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Use midpoint theorem in the 3 triangles ;XOY,YOZ,ZOY
By that you will get PQ=1/2×XY,
QR=1/2×YZ , RP=1/2×ZX
add all of these and u get the desired result
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