The triangles shown are similar. What is the value of x?

Mid-Unit Test

A.
17

B.
20

C.
5

D.
10
https://static.k12.com/calms_media/media/243500_244000/243527/1/ee3fc13b57e5da8821a49903476e3922c5bbbd78/VHS_PA_S2_01_L210_L310_Q8.gif

Question

The triangles shown are similar. What is the value of x?


Mid-Unit Test 
  
 
  


  

  A. 
  17   
    


  

  B. 
  20   
    


  

  C. 
  5   
    


  

  D. 
  10  
https://static.k12.com/calms_media/media/243500_244000/243527/1/ee3fc13b57e5da8821a49903476e3922c5bbbd78/VHS_PA_S2_01_L210_L310_Q8.gif

jhonyy9 · Answer

wrte the proportionalitie of the same sides 

for example 

x/5 = 12/3

x = ?

vhtran · Answer

what are the proportions? 16/4=? 12/3=? you should get the same answer. that gives you the proportion

vhtran · Answer

ratio 1:4

vhtran · Answer

if its 5:__ and 1:4, just multiply 5 by 4