Basic Maths Grand Test- Q12

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Three of the six vertices of a regular hexagon are chosen at random.What is the probability that the triangle with these vertices is equilateral ?

A. 3/10

B. 3/20

C. 1/20

D. 1/10

asked Nov 18 in Basic Maths by gbmentor (85,520 points)
reshown Nov 20 by getgatebook

1 Answer

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ANS D.

Total no of triangles possible = 6C3= 20.

No of equilateral triangle possibles in regular hexagon= 2

Probability= 2/20 = 1/10

answered Nov 20 by bhargavakapilpro20 (13,760 points)
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