PQRS is a trapezium where PQ is parallel to SR.Given that angle PQR= angle SPR= 90 degree.

PQ=8.5 cm and PR=12.3 cm,

Calculate

a)QR

b)PS

c)The area of the trapezium PQRS

Diagram is given in the attachment

Cant upload the diagram because the size is too big and it crosses the limit.

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