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sides AB and BC and median AD of a tria...

sides AB and BC and median AD of a triangle ABC are respectively proportional to side PQ and QR median PM of `DeltaPQR` (see Fig ). Show that `DeltaABC~DeltaPQR`

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In tow triangles , two sides and an included angle of one triangle are correspondingly propotional to two sides and in included angle of another trinagle, then the two tringles are side to be similar .
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side AB and AC and median AD od a triangle ABC are respectively proportional to side PQ and PR and median PM of another triangle PQR. Show that DeltaABC~DeltaPQR

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If Adand PM are medians of triangles ABC and PQR, respectively where DeltaABC ~ DeltaPQR , prove that (AB)/(PQ) =(AD)/(PM)

The sides AB and AC and the perimeter P_(1) of DeltaABC are respectively three times the corresponding sides DE and DF and the perimeter P_(2) of DeltaDEF . Are the two triangles similar? If yes, find (ar(DeltaABC))/(ar(DeltaDEF)) .