Question

Please Help and Explain

Answer 1

Explanation:

add 4 more rows like in the pattern and you will get your answer

Answer 2

36 squares.

Explanation:

Number of squares in each step is triangular number. This form a triangular series.

1 , 3 , 6 , 10........

Number of squares in each step is given by

`\sf (n*(n+1))/(2)` here , n is the step or term.

n = 8

`\sf Number \ of \ squares \ in \ 8^(th) \ step = (8 * (8+1))/(2)`

`\sf = (8*9)/(2)\\\\ = 4*9\\\\=36 \ squares`