Question
In a $\triangle A B C, \angle A B C=100^{\circ}, \angle B A C=35^{\circ}$ and $B D \perp A C$ meets' side $A C$ in $D$. If $B D=2 cm$, find $\angle C$ and length $D C$.
✓
Answer
$45^{\circ}, 2 cm$
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