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Find the value of x.

Find the value of x.-example-1

1 Answer

3 votes

Answer:


2√(77)

Explanation:

Use the Pythagorean theorem.
a^(2) +b^(2)=c^(2)

a and b are the two side lengths

c is the hypotenuse (value across from the right angle)

Plug in the values that you are given.


a^(2) +4^(2) =18^(2)

Solve for x


x^(2) =18^(2) -4^(2)


x^(2) =308

x=
√(308)


x=2√(77)

User Calfzhou
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