SOLUTION: Slove for X http://postimg.org/image/a5l8w5rip/ Special Right Triangle

Algebra ->  Triangles -> SOLUTION: Slove for X http://postimg.org/image/a5l8w5rip/ Special Right Triangle      Log On


   

Question 1011798: Slove for X
http://postimg.org/image/a5l8w5rip/
Special Right Triangle
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

use the Pythagoras theorem
x%5E2=10%5E2%2B%282sqrt%285%29%29%5E2
x%5E2=100%2B4%2A5
x%5E2=100%2B20
x%5E2=120
x=sqrt%28120%29
x=+2+sqrt%2830%29
or approximately
x=10.95