To make a rectangular windowpane
A
B
C
D
of length
A
B
=
68
c
m
and width
B
C
=
51
c
m
two identical right triangular shaped glass pane of different colored are required as shown in above figure.
So the hypotenuse side of triangular glass pane will be
A
C
=
√
A
B
2
+
B
C
2
=
√
68
2
+
51
2
=
85
c
m
So perimeter of each triangular pane will be
=
A
B
+
B
C
+
C
A
=
68+51+85=204cm#
