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Find the missing side lengths

I need help in y = ( it's not 6 I put every number and still got it wrong)​

Find the missing side lengths I need help in y = ( it's not 6 I put every number and-example-1
User Daley
by
8.2k points

1 Answer

5 votes

Answer:

y = 9√3

x = 18

Explanation:

taking 30 as reference angle

b = y

p = 9

h = x

so

tan30 = p/b

1/√3 = 9/b

or, b = 9√3

so


h^2 = p^2 + b^2\\x^2 = 9^2 + y^2\\or, x^2 = 81 + (9√(3) )^2\\or, x^2 = 81 + 243\\or, x ^2 = 324\\or, x =√(324) \\\\so x = 18

User Destructor
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