At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?

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At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?

Leave your answers below.

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11

u r correct mangal.

There are 12 people in the room.

There are 12 people in the room;poles intervals.