Use Coupon: CART20 and get 20% off on all online Study Material

Total Price: R

There are no items in this cart.
Continue Shopping
Get instant 20% OFF on Online Material.
coupon code: MOB20 | View Course list

Get extra R 550 off


what are the number of triangles which can be formed by joining three angular points of a quindecagon????

6 years ago


Answers : (1)


Dear neeraj


we have to select three point for each triangle ,thus the required number is

        = 15C3  = 455

Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you
the answer and detailed  solution very  quickly.

 We are all IITians and here to help you in your IIT JEE preparation.

All the best.
Askiitians Experts

6 years ago

Post Your Answer

Other Related Questions on Algebra

Prove that log(ab)x = log(a)x*log(b)x/{log(a)x + log(b)x}
in RHS use the property of base change. in numerator and denominator both. Then in Denominator take LCM and solve it. U would get the LHS.
Vikas TU one month ago
what is formula for orthocentre of a triangle or how to calculate it?
Direct formula is there but it is not useful as it is in terms of tanA , tanB , tanC which is not useful Easiest way to find orthocentre: i) It is the point of concurrency of the 3 altitudes...
Harsh Patodia one month ago
If f(x)=f(2a-x). Then its graph is symmetrical about which line?
The graph of f(x)=f(-x) is symmetric about x=0. Similarly f(x)=f(x)=f(-(x-2a)). in this question f(x) is symmetric about the line perpendicular to the x axis which passes in between x=x and...
Aditya Dev one month ago
what is the volume of tetrahedran whose co terminous edges are a b c vectors
1÷6 into the scalar triple product of the three coterminous edges gives the vomume of the tetrahedron.....hence volume of Tetrahedron is 1÷6*[a b c ]
Himanshu 11 months ago
For x belongs to(0,180),the equation sinx+2sin2x−sin3x=3 has how many solutions?
Hii Use the combination of sinx−sin3x to write it into format of sin2x . You will get the values of it in terms of product from where you can find out the answer
Sourabh Singh 3 months ago
jagdish singh singh 2 months ago
From the point A(0,3) on the circle x^2 + 4x + (y-3)^2 =0 a chord AB is drawn & extended to a point M such that AM=2AB . The equation of the locus of m will be?
This is the equation of given circle So, centre is (-2,3) and radius = 2 Now Let M(h,k) AM=2AB Now B is the midpoint of A and M So Now we know that apply this condition and you will get the...
Nishant Vora one month ago
View all Questions »

  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 3,750 off

Get extra R 550 off

More Questions On Algebra

Ask Experts

Have any Question? Ask Experts

Post Question

Answer ‘n’ Earn
Attractive Gift
To Win!!!
Click Here for details