Q.7) Radha is drawing a dot Rangoli 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?
Answers
Answered by
1
Answer:
Ans 72 I hope it will help you
Answered by
4
Answer:
Solution:
Number of dots in a row = 9
Number of rows = r
Total number of dots in r rows = Number of dots in a row × number of rows
= 9r
Number of dots in 8 rows = 8 × 9
= 72
Number of dots in 10 rows = 10 × 9
= 90
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