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18-10-2016
Mathematics

contestada

what is the length of dk? 7.0 3.5 8.5 12.7

Respuesta :

20-06-2018

To get the value of DK we use proportionality:
AK/EK=BK/KD
thus plugging the values we get:
14/17=7/KD
getting the reciprocal of getting both sides we have:

17/14=KD/7
thus
KD=17/14×7
KD=8.5

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