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5. What is the value of x?

5. What is the value of x?-example-1

1 Answer

10 votes

Answer:

5
√(3)

Explanation:

in a 30-60-90 triangle the ratio of sides, respectively, is 1 :
√(3) : 2

you can set up a proportion like this to solve for 'x':


√(3) / 1 = 15 / x

cross-multiply:


√(3)x = 15

x = 15/
√(3)

rationalize the denominator by multiply top and bottom by
√(3)

you get 15
√(3) ÷ 3 which is 5
√(3)

User Monica Cellio
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