46.3k views
4 votes
Find the length of side x in simplest radical form with a rational denominator.

Find the length of side x in simplest radical form with a rational denominator.-example-1
User Ura
by
8.5k points

1 Answer

4 votes

Answer:

x = 5
√(2)

Explanation:

Using the cosine ratio in the right triangle and the exact value

cos45° =
(1)/(√(2) ) , then

cos45° =
(adjacent)/(hypotenuse) =
(5)/(x) =
(1)/(√(2) ) ( cross- multiply )

x = 5
√(2)

User Peace Wang
by
8.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories