Question

you are Miguel Cervantes... to be continued. click to see more

Answer 1

think of it as square sheets in each row

Answer 2

ok

Answer 3

increasing its length as u move down

Answer 4

9*9,8*8,7*7,6*6,...

Answer 5

so then u add em all up?

Answer 6

81+64+49+36+25+16+9+4+1

Answer 7

yes

Answer 8

add 11^2 and 10^2 also

Answer 9

506?

Answer 10

oh and y did u only mark a few of the rows in red?

Answer 11

no reason?

Answer 12

cuz im lazy to mark everything, lol assume all are marked and the side is increasing as u go down

Answer 13

oh ok :p so my answer is right then?

Answer 14

yes ! good job !!

Answer 15

1^2 + 2^2 + 3^2 + ...... + 11^2

Answer 16

thats sum of squares of first 11 natural numbers

use the formuila :- n(n+1)(2n+1)/6

Answer 17

n=11

11(11+1)(2x11+1)/6
11x2(23)
22x23
506

Answer 18

kk. thanks so much!! :D

Answer 19

np :)