Math, asked by manjunathmb381, 9 months ago

Find 9th and 10th triangular number and find their sum

Answers

Answered by sanikadumbre970

3

Answer:

100

Step-by-step explanation:

9th triangular number=45

10th triangular number=55

and their sum=45+55

=100

Answered by ry8639603

1

Answer:

9 th triangular number = 45

10th triangular number = 55

and thier sum = 45 +55

=

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