Answer:
a 
Step-by-step explanation:
In the hypotenuse, the leg values get multiplied by √2.
Extended Information on Right Triangles
30°-60°-90° Right Triangles
Hypotenuse → <em>2x</em>
Short Leg → <em>x</em>
Long Leg → <em>x√3</em>
45°-45°-90° Right Triangles
Hypotenuse → x√2
Two identical Legs → <em>x</em>
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