0 votes
202 views
by (140 points)

In which,

  • AB || DC
  • AB=77cm
  • BC=25cm
  • CD=26cm
  • DA=26cm

1 Answer

0 votes
by (10.3k points)
A
=
a
+
b
 
2
 
h
=
77
+
25
 
2
·
26

=1326

...