Question

observe the pattern
1+2=3
1+2+3=6
1+2+3+4=10
1+2+3+4+5+6+7=?
1+2+3+4+5+6+7+8+9+10=?

Answer 1

1+2=3

1+2+3=6

1+2+3+4=10

1+2+3+4+5+6+7=28

1+2+3+4+5+ 6 +7+8+9+10=55 answerits formula is by adding its digits we get the correct answer and if you like my answer please mark as brainlest

Answer 2

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$\huge\underline\mathfrak\red {Hello}$

1+2 = 3

1+2+3 = 6

1+2+3+4 = 10

1+2+3+4+5+6+7 = 28

1+2+3+4+5+6+7+8+9+10 = 55 ☺✌

$\boxed{Plz \:Mark\: my\: answer\: as \: brainliest...}$

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