We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
485
1
avatar+162 

​ △XYZ∼△DEF ,  YZ  is 10 meters, ​ XZ ​  is 15 meters, and EF  is 8 meters.

What is ​ DF ​?

Enter your answer in the box.

 m

 Feb 28, 2018
 #1
avatar+99659 
+1

XZ / YZ  = DF / EF

 

15 / 10  =  DF  / 8

 

3 / 2  =  DF / 8       multiply both sides by 8

 

8 * 3 / 2   =  DF

 

24 /2   =  DF

 

12  = DF

 

 

cool cool cool

 Feb 28, 2018

26 Online Users