Math, asked by nkumar32726, 2 months ago

There are eleven balloons floating in a big box. If one balloon clashes with another only once, how many clashes have there been?​

Answers

Answered by sandeepjdsouza
3

Answer:

55

Step-by-step explanation:

1st Balloon Clashes= 10

2nd Balloon Cashes= 9

Etc....

10+9+8+7+6+5+4+3+2+1

Answered by durgashreev
0

Answer:

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