write the following square numbers as some of two triangular numbers 49
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Answer:
21+28=49
Step-by-step explanation:
Given number 49
Triangular number: 21 and 28 sum up 49
21+28=49
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Some info:
- 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
21=6*7/2
28=7*8/2
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