Question

Radha 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 8 rows? If there
are 10 rows?​

Answer 1

Answer:

hope it helps u pls mark as brainiest answer

Answer 2

Answer:

r×9 dots , 72 dots , 90 dots respectively