bigdoritoflex77 bigdoritoflex77
  • 21-06-2017
  • Mathematics
contestada

ABC ~ ADE AC = 4, AE = 7, AD = 10, what is the length of AB? 1 3/7 2 1/2 5 5/7 17 1/2

ABC ADE AC 4 AE 7 AD 10 what is the length of AB 1 37 2 12 5 57 17 12 class=

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BlueSky06
BlueSky06 BlueSky06
  • 05-07-2017

If the polygon or the figures are similar then it is known that the ratios of their corresponding sides and angles are proportional. In this item we can derive an equation that is,

                        AC/AE = AD/AB

Substituting the known values,

                      4/7 = 10/AB

AB from the equation is equal to 70/4 or equal to 17 ½. 

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spenceretroyerp9t26g
spenceretroyerp9t26g spenceretroyerp9t26g
  • 13-08-2018

the right answer is 5 5/7 not 17 1/2

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