### নধর ত্রিভুজ

##### Score: 3 Points

In a $\triangle ABC$ a normal is drawn at point $D$ from point $A$ to $BC$. Given that,

$(i)\space AC = 3×AB$

$(ii)\space BD = 1$

$(iii) ∠CAD = 3∠BAD$

Find the value of $CD$.

Geometry

#### Statistics

Tried 197

Solved 123

First Solve @judge_1