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Write the first four triangular number

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Write the first four triangular number

Posted by Smita Devi 5 years, 7 months ago

CBSE > Class 08 > Mathematics

2 answers

Prachi Dahiya 5 years, 7 months ago

The numbers are 1,3,6,10,15,21,28,36,45.

0Thank You

Yogita Ingle 5 years, 7 months ago

Triangular NumberSequence: 1, 3, 6, 10, 15, 21, 28, 36, 45, ... This sequence comes from a pattern of dots that form a triangle: By adding another row of dots and counting all the dots we can.

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CBSE > Class 08 > Mathematics