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sajal jain
Answers (1)
AB:BC=3:4, so AC=AB+BC=3+4=7; AC:CD=2:1, so AC=2; because we get 2 different length for AC, we change the given ratio AC:CD into an equivalent one where AC=7 as follows: AC:CD = 2 : 1 = 7 : 3.5 (multiply both sides by 3.5) Now we have AC:CD = 7 : 3.5 and