PQRS is a parallelogram, PX ⊥ SR and RY ⊥ PS. If PQ = 21 cm, PX = 8 cm and RY = 12 cm, find PS.
A14 cm
B13 cm
C16 cm
D15 cm
A14 cm
B13 cm
C16 cm
D15 cm
Related Questions:
In triangle PQR <Q=90°. M is the mid point of PQ and N is the midpoint of QR. Then MR2 + PN2 / PR2 is equal to :