Mathematics, 14.07.2019 20:30, 885122bah

Add a meeting six people each one another by shaking hands. if each person must shake hands once with every other person in the room, how many handshakes occur in the meeting a) 10 b) 12 c) 15 d) 16

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Add a meeting six people each one another by shaking hands. if each person must shake hands once wit...