In the diagram shown,
CDEF is a trapezium.
ABCF is a rectangle,
BD = 9 cm.
AB = 6 cm,
EF = 3 cm,
Perimeter of ABCF = 20 cm.

In the diagram shown CDEF is a trapezium ABCF is a rectangle BD 9 cm AB 6 cm EF 3 cm Perimeter of ABCF 20 cm class=
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