7. 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?
Answers
Answered by
3
Answer:
1 row=9 dots
r rows=(9*r) dots
=9r dots
8rows=9*8=72dots
10rows=10*9=90dots
Answered by
2
Answer:
if there are r rows the dots would be. 9r. if there would be 8rows then 8 multiplied by 9 is equals to 72 dots if there are 10 rows then 10 multiplied by 9 is equal to 90
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