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1 Answer

5 votes

Answer:

x=20

Explanation:

The Pythagorean theorem is
a^2+b^2=c^2, where a and b are the legs (the smaller sides) and c is the hypotenuse. So, plugin 12 and 16 for a and b, then solve. This looks like
12^2+16^2=c^2. Next, simplify the equation,
12^2=144 and
16^2=256; then add 144+256. The new equation is 400=
c^2. The final step is to take the square root of both sides. Since
√(400)=20, x (the hypotenuse) must equal 20.

User Stecman
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