Question

7. A girl is drawing a dot Rangoli (a beautiful pattern of lines joining dots) with chalk powder. She has 9 dots in a row. How many dots will her Rangoli have for 'r'rows? How many dots are there if there are 1118 rows.​

Answer 1

Answer:

when there are 1118 rows the total dogs are 10062

Answer 2

$\huge\mathfrak\purple{Answer} \:$

Number of dots in a row =9

Number of rows is a variable =r

Total number of dots in r rows = number of dots in one row × number of rows =9r.

Total number of dots in 8 rows =9×8=72

Total number of dots in 10 rows =9×10=90