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Ex 12.1
Ex 12.1, 2 Important
Ex 12.1, 3
Ex 12.1, 4 Important
Ex 12.1, 5 Important You are here
Ex 12.1, 6 (a)
Ex 12.1, 6 (b) Important
Ex 12.1, 6 (c)
Ex 12.1, 6 (d) Important
Ex 12.1, 7 (a) Important
Ex 12.1, 7 (b)
Ex 12.1, 7 (c) Important
Ex 12.1, 7 (d) Important
Ex 12.1, 8
Ex 12.1, 9
Ex 12.1, 10 Important
Ex 12.1, 11
Ex 12.1, 12 Important
Ex 12.1, 13 Important
Ex 12.1, 14
Ex 12.1, 15 Important
Ex 12.1, 16 Important
Last updated at March 16, 2023 by Teachoo
Ex 12.1, 5 Fill in the following blanks: 15/18 = ⎕/6 = 10/⎕ = ⎕/30 [Are these equivalent ratios?] 15/18 = "⎕" /6 15 × 6 ="⎕"× 18 "⎕"× 18 = 15 × 6 "⎕"= (15 × 6)/18 "⎕" = 15/3 "⎕"= 5 15/18 = 10/"⎕" 15 ×"⎕"= 10 × 18 "⎕"= (10 × 18)/15 "⎕"= (2 × 18)/3 "⎕"= 2 × 6 "⎕"= 12 15/18 = "⎕" /30 15 × 30 ="⎕"× 18 "⎕"× 18 = 15 × 30 "⎕"= (15 × 30)/18 "⎕"= (5 × 30)/6 "⎕"= 5 × 5 "⎕" = 25 Thus, 15/18 = ▭𝟓/6 = 10/▭𝟏𝟐 = ▭𝟐𝟓/30 Since all the ratios are same ∴ Yes, all these are equivalent ratios