Mathematics

Problem

Quadrilateral

PQRS

has

PQ \parallel SR

and

PQ = 5\,\text{cm}

. If

SR = (2x - 1)\,\text{cm}

, for what value of

x

will

PQRS

definitely be a parallelogram? a) 2 b) 6 c) 3 d)

\frac{5}{2}