SSC CPO SI and ASI Model Paper 2

Question : 112 of 200

Marks: +1, -0

What is the area of an equilateral triangle whose inradius is $2 √3$ cm ?

Solution:

(4) If ‘a’ is the length of side of theequilateral triangle, the inradius is

⇒a/ 2√ 3 =2√3⇒ a 12 cm

(Hint

:r=a/{2√3})

So, the area is,

A=√3/4 (12)^2 36 √3 cm^2

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