PQRS is a cyclic quadrilateral in which PQ = 14.4 cm, QR = 12.8 cm and SR = 9.6 cm. If PR bisects QS, whatis the length of PS?
By the property,
PQ $$\times$$ QR = RS $$\times$$ PS
14.4Â $$\times$$ 12.8 = 9.6Â $$\times$$ x
9.6x = 184.32
x = 19.2 cm
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