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Lyrx [107]
2 years ago
12

Help me please !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
olga2289 [7]2 years ago
7 0

Answer:

11.31

Step-by-step explanation:

Use the pythagorean theorem: c^2=a^2+b^2

18^2=14^2+b^2

324=196+b^2

128=b^2

b=11.31

harina [27]2 years ago
3 0

[Hello,BrainlyUser]

Answer:

\sqrt{128}

Step-by-step explanation:

Right, let write down the Pythagorean Theorem equation or standard form of it. before we plug in the numbers.

a^2+b^2=c^2

Right, so that is the equation of Pythagorean Theorem. So let plug in the numbers of b and c.

a^2+14^2+18^2

So we have our values of b and c. Now, how do we find the missing number?

Well, let simplify thing further by squaring the numbers we have already.

a^2+196+324

We will now subtract 196 from both side which gives us:

a^2=128

Now we can square root the answer.

\sqrt{a^2} =\sqrt{128}

Now, we are left with this:

a=\sqrt{128}

So the final answer is \sqrt{128} or the decimal value which is  [11.31370849]

Round: 11.31

[CloudBreeze]

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