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jt3511 jt3511
  • 31-05-2024
  • Mathematics
Answered

what is the 40th triangular number

Verified Answer :

sionasaxena
sionasaxena sionasaxena
  • 31-05-2024

Answer:

40th triangular number is 820

Step-by-step explanation:

Tn= nx(n+1)/2

using the formula

Tn = 40x(40+1)/2

=1640/2

=820

please give brainliest!!

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