JaytonS354268 JaytonS354268

25-10-2022
Mathematics

contestada

If ten people shake hands with each other exactly once, how many handshakes take place?

Respuesta :

WilfredoA751010 WilfredoA751010

25-10-2022

Apply the formula:

n(n+1)/2

Where n is the number of shake hands of the first person (9)

9 (9+1) /2

9 (10)/2

90/2

45 shakes

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