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Mathematics
Problem
A
B
C
D
ABCD
A
B
C
D
is a rectangle in which
A
B
=
8
cm
AB = 8\,\text{cm}
A
B
=
8
cm
and
B
C
=
6
cm
BC = 6\,\text{cm}
B
C
=
6
cm
. The diagonals
A
C
AC
A
C
and
B
D
BD
B
D
intersect at
O
O
O
. Answer the following. a. (i) Prove that
△
A
O
B
≅
△
C
O
D
\triangle AOB \cong \triangle COD
△
A
O
B
≅
△
C
O
D
. b. (ii) Show that the diagonals
A
C
AC
A
C
and
B
D
BD
B
D
are equal in length. c. (iii) Determine the length of each diagonal.
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