1.

First Triangular number: 3 (1 +2), Second Triangular number: 6 (1 + 2 + 3), Third Triangular number: 10 (1 + 2 + 3 + 4)....Find the seventh triangular number using the above pattern.

Answer»

Answer:

36

Step-by-step explanation:

The triangular numbers FOLLOW a CERTAIN pattern.

The pattern is adding numbers in their consecutive ORDER. for example, the first triangular NUMBER is an addition of the first two numbers which are 1+2. Using this pattern, the seventh triangular number will be the addition of the first 8 numbers which are 1 to 8.

The answer becomes 36



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