X =
A. 7
B. 7 square root of 2
C. square root of 13 i will fan and medal

Question

X = 
A.  7
B. 7 square root of 2
C. square root of 13 i will fan and medal

solomonzelman · Answer

Before the picture comes, let me guess it.

|dw:1399984445275:dw| yes ?

tootsi123 · Answer

Well this is what I have looks the same but possible flipped and rotated?

solomonzelman · Answer

Ok, you can say  180=90+45+ $\large\color{red}{ \bf  45	 }$ so you know the other angle.

The rule is that
     45º
         I .
         I     .
$\large\color{blue}{ \bf  a	 }$      I          .  $\large\color{blue}{ \bf  a\sqrt{2}	 }$
         I               .
         I                    .
         I────────
     90º           $\large\color{blue}{ \bf  a	 }$             45º

solomonzelman · Answer

your equal short legs are 7 and x, and y is the hypotenuse.

tootsi123 · Answer

Okay so then wait what.

anonymous · Answer

your looking for the other leg...which is 7

anonymous · Answer

just like SolomonZelman said

tootsi123 · Answer

so then what would y be

anonymous · Answer

y (the hypotenuse) is 7 sq rt 2