Haryana Police Constable Model Paper 6

Question : 10 of 100

Marks: +1, -0

If the circumradius of the equilateral triangle is 12 cm then what is the value of inradius (in cm) of the triangle?

Solution:

Circumradius of equilateral triangle

= \side/√3

⇒ 12 = \Side/√3

⇒ \Side = 12√3

∴ Inradius of equilateral triangle

= \side/{2√3} = {12√3}/{2√3 }= 6

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