Question

Radha is drawing a dot Rangoli. she has 10 dots in a row how many dots will her rangoli have for x rows? how many dots are there. If there are 8 rows? how many dots are these. If there are 10 rows?​

Answer 1

Explanation:

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