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What is the formula for the trainglar figures

User Jruz
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2 Answers

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A^2+B^2=C^2 hope this helps!
User Fresskoma
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Answer:

Triangular numbers are a pattern of numbers that form equilateral triangles. The formula for calculating the nth triangular number is: T = (n)(n + 1) / 2.

Explanation:

User Wellplayed
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