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Symbiosis National Aptitude Test SNAP 2016 Paper
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© examsnet.com
Question : 9
Total: 150
In an equilateral triangle ABC, if the area of its in-circle is
4
π
c
m
2
, then find the length of the angle bisector AD?
2 cm
4 cm
6 cm
10 cm
Validate
Solution:
In any equilateral triangle, the length of the inradius is one-third of length of angle bisector. So, if area of incircle is 4p, then its radius is 2cm. So, the length of angle bisector is 6cm.
© examsnet.com
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