There are 6 married couples at a party. at the start of the party every person shakes hands once with every other pserson except his or her spouse. how many handshakes ar there

60 hand shakes.

Step-by-step explanation:

We have been given that there are 6 married couples at a party.

This means there are 12 people in total.

We know that number of handshakes for n people is given by formula .

We are also told that at the start of the party every person shakes hands once with every other person except his or her spouse.

So formula for this problem would be or .

Since total numbers of people is party is 12, so we will get:

Therefore, there will be 60 hand shakes at the party.

a

step-by-step explanation:

a

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation: