Symbiosis National Aptitude Test SNAP 2014 Paper

Question : 2 of 150

Marks: +1, -0

The radius of the incircle in the given diagram will be

Solution:

AC^2

AB^2+BC^2

⇒ AC = 10
We have r = (A/s); A =

1/2

× (6 × 8) = 24
s = (6 + 8 + 10)/2 = 12
r = A/s = 24/12 = 2.

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