the sum of the first n consecutive numbers can be determined using S=n^2+n/2 where n≥2. what is the value of n when is the sum of 55?

666666666666666666666

6

6

6

6

6

6

6

66

6

6

6

66

6

66answer:

step-by-step explanation:

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

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