amazinggraciec amazinggraciec

13-08-2019
Mathematics

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If DE║AC, what is the measure of length a?

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If DEAC what is the measure of length a See the attached image class=

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musiclover10045 musiclover10045

13-08-2019

BD is half the length of AD ( 18 is half of 36)

BE would be half of EC

EC = 42, so BE would be 42/2 = 21

a = 21

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