Question

If all of the diagonals are drawn from a vertex of a hexagon, how many triangles are formed?

Answer 1

Answer:

4

Step-by-step explanation:

Answer 2

If we consider it as a combination problem, then we could calculate the how many combinations are there if we pick up three nodes out of six nodes, and then we have:
$C_{6}^{3}= \frac{6*5*4}{3*2*1} =20$
And the answer should be 20