Question

quadrilateral pqrs is a parallelogram such that the length of its adjacent sides are 10cm and 8 cm.find perimeter of quadrilateral pqrs

Answer 1

Parallelogram PQRS

⇒ Its opposite sides are equal.

Given :- Adjacent sides are 10cm and 8cm.

∴ Let PQ be 10cm and QR be 8 cm.

PQ = RS = 10cm                                                      [Opp sides are equal]

QR = PS = 8cm                                                                     [ " ]

So, perimeter of quad. PQRS = PQ + QR + RS + PS

                                                 = 10 + 8 + 10 + 8

                                                 = 36cm.