Question

Find the number of triangles which can be formed by joining the angular points of a polygon

of 8 sides as vertices.​

Answer 1

Answer:

56

Step-by-step explanation:

A triangle needs 3 points.

And polygon of 8 sides has 8 angular points.

Hence, number of triangle formed,

=8C3

=

$8 \times 6 \times 7 \div 1 \times 2 \times 3$

=56

Dear mate this is your answer. hope u understand.