A viewfinder has a triangular lens. Some of the measurements of the lens are shown below. Which of the following best represents the length of a?

AB = c
BC = a
AC = 10
m of A = 38
m of C = 26

Question

A viewfinder has a triangular lens. Some of the measurements of the lens are shown below. Which of the following best represents the length of a?  

AB = c
BC = a
AC = 10 
m of A = 38
m of C = 26

mathstudent55 · Answer

Is there a figure?

dr5014ky · Answer

http://media.apexlearning.com/Images/201307/11/2c555ec7-e5cf-4784-8e16-563bc5024963.JPG

mathstudent55 · Answer

Look where the "a" is written in the figure.
"a" represents the length of side BC.