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Ratio, Proportion, and Similarity 7-1 Ratio and Proportion 7-2 Properties of Proportions
Announcements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Ratio ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],?
What is the ratio of DI:IS? ,[object Object],[object Object],[object Object],[object Object],[object Object],D I S T 10 4 12 6 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
What is the ratio of IT:DS? ,[object Object],[object Object],[object Object],[object Object],[object Object],D I S T 10 4 12 0 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Ratio (Continued) ,[object Object],[object Object]
The angles in a triangle are in the ratio 2:3:4.  What are the angles? ,[object Object],[object Object],[object Object],[object Object],31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Proportions ,[object Object],[object Object]
Properties of Proportions Means Extremes
Properties of Proportions ,[object Object]
Properties of Proportions ,[object Object]
If  then which is correct? ,[object Object],[object Object],[object Object],10 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
SPICSA ,[object Object],[object Object]

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7 1 And 7 2 Ratio, Proportion