3 years ago

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

Mathematics

1 answer:

IRINA_888 [86]3 years ago

7 0

Answer: 10√3 / 3

Step-by-step explanation:

cos 30 = 5 / x

x = 5 / cos 30

= 5 / √3 / 2

= 10 √3

= 10√3 / 3

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