The number 1,3,6,10,15 are called…………………….numbers *
a.sqare
b.Triangular
c.rectungular
Answers
Answered by
1
B, Triangular
Step-by-step explanation:
the Triangular Number Sequence: 1, 3, 6, 10, 15, 21, 28, 36, 45, ...
Answered by
0
Answer:
Triangular
Step-by-step explanation:
I hope this qill use full to you
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