GL math paper 3 - Question

[Mum2019]

Can anyone please suggest how to solve the following ? thank you in advance.

How many different lines can be drawn between the vertices of a regular hexagon ?

[helen0209]

Can anyone please suggest how to solve the following ? thank you in advance.

How many different lines can be drawn between the vertices of a regular hexagon ?

A hexagon has 6 vertices - to draw a diagonal you need 2 vertices which are not adjacent to each other. So, from each vertex you can draw 3 diagonal lines, so in total there are 9 which can be drawn.

https://www.quora.com/How-many-number-o ... -a-hexagon" onclick="window.open(this.href);return false;

[Mum2019]

Thank you helen0209.