Find the value of x. Write your answer in simplest radical form.(45-45-90 triangles)

By applying the Pythagoras theorem in a right-angle triangle, the value of x is 10.
Pythagoras Theorem (also called Pythagorean Theorem) is an important topic in Mathematics, which explains the relation between the sides of a right-angled triangle.
By applying the Pythagoras theorem in a right-angle triangle;
[tex]\rm Hypotenuse ^2=Perpendicular^2+Base^2\\\\ x ^2=(5\sqrt{2} )^2+(5\sqrt{2} )^2\\\\x ^2=25 \times 2 + 25\times 2\\\\x ^2=50+50\\\\x ^2=100\\\\x = 10[/tex]
Hence, the value of x is 10.
learn more about the Pythagoras theorem here;
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