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  • GIVEN:a regular polygon with vertices C1,C2.....,Cn are inscribed in a circle with centre C0.
    ques1)if n is a multiple of 6, then what is the total number of isosceles (including equilateral) triangles formed by joining the three points from C1,C2...........Cn .
    ques2)if n is an odd and multiple of 3, then what is the total number of isosceles (including equilateral) triangles formed by joining the three points from C1,C2...........Cn
    ques3)if n is an even and not multiple of 3, then what is the total number of isosceles (including equilateral) triangles formed by joining the three points from C1,C2...........Cn
  • 3 Comments sorted by
  • Hi Shashank,
    A regular polygon with n sides will have n-2 number of triangles.
  • To learn easy formulae and tricks in Mathematics watch this:http://www.wiziq.com/tutorial/26654-Tricks-for-Faster-Maths.This is really helpful to calculate faster.
  • what is the total number of isosceles (including equilateral) triangles

    hows this possible??

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