Find the length of x in simplest radical form with a rational denominator

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asked May 4, 2022 60.5k views

12 votes

Find the length of x in simplest radical form with a rational denominator

Mathematics
high-school

Paul Hoffman asked

by Paul Hoffman

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6 votes

It is equals to 3 I think

Matthijs answered May 4, 2022

by Matthijs

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11 votes

Answer:

√3

Explanation:

$\cos(30^o)=\frac{\sqrt3}2$

From triangle:
$\cos(30^o)=\frac x2$

Therefore:

$\frac x2=(\sqrt3)/(2)\\\\x=\sqrt3$

Akshay Mukadam answered May 9, 2022

by Akshay Mukadam

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√3

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