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?
Please Explain!
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Ha!
For 8 rows = 72 dots
For 10 rows = 90 dots
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