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In the above diagram, if a=18, b=12, c=14 and d=8, what is the measure of AD?

 

 Jun 29, 2020
 #1
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you mean below diagram

wink

 Jun 29, 2020
 #2
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1)    Find the area of ΔABC

 

2)    Find the height  (a vertical line from vertex A to point E on side BC)

 

3)    Find the length of EC and then the length of DE.

 

AD = sqrt ( h2 + DE2 )    indecision

 Jun 29, 2020

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