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Mathematics
Problem
4. ABCD is a rectangle in which diagonal AC bisects
∠
A
\angle \mathrm{A}
∠
A
as well as
∠
C
\angle \mathrm{C}
∠
C
. Show that: (i) ABCD is a square (ii) diagonal BD bisects
∠
B
\angle \mathrm{B}
∠
B
as well as
∠
D
\angle \mathrm{D}
∠
D
. (i) ABCD is a square (ii) diagonal BD bisects
∠
B
\angle \mathrm{B}
∠
B
as well as
∠
D
\angle \mathrm{D}
∠
D
.
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