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Mathematics
Problem
2. AD is an altitude of an isosceles triangle ABC in which
A
B
=
A
C
\mathrm{AB}=\mathrm{AC}
AB
=
AC
. Show that (i) AD bisects BC (ii) AD bisects
∠
A
\angle \mathrm{A}
∠
A
. (i) AD bisects BC (ii) AD bisects
∠
A
\angle \mathrm{A}
∠
A
.
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