PQRS. Is a parallelogram and the bisector of angle p bisects QR at m.show PS=2pq
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Step-by-step explanation:
Given: PQRS is a parallelogram.
M is the midpoint of QR and PM bisects angle P.
• To prove: PS=2PQ
• Proof: PQRS is a parallelogram so, PS//RQ
angle SPM=angle PMQ_(i) (Alternate interior angle)
• angle SPM=angleMPQ_(ii) (Given)
• From (i) and (ii),
angle PMQ=angle MPQ
Therefore, PQ=QM
• PQ=1/2 RQ (M is midpoint of QR)
PQ=1/2 PS (Opposite sides of parallelogram are equal)
2PQ=PS
PS=2PQ
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