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LenKa [72]
1 year ago
13

Find x. See attached picture.

Mathematics
1 answer:
pishuonlain [190]1 year ago
3 0

Answer:

B. 22

Step-by-step explanation:

We know tan60=

\sqrt{3}

Let common side be x

Tan = opp/adj= sqrt(3)

\frac{11 \sqrt{6} }{x}  =  \sqrt{3}

Transposing we get :

\frac{11 \sqrt{6} }{ \sqrt{3}}  = x = 11 \sqrt{2}

Now, we know that since the other triangle is a 45-45-90 triangle, we can state that the side adjacent to the given angle = 11 sqrt(2) as the two sides are equal due to the triangle being an isoceles triangle.

Solve for x by using Pythagorean theorem:

\sqrt((11 \sqrt{2}^{2}   + (11 \sqrt{2} )^{2} ) = x

=  > \sqrt{2(11 \times 11 \times  \sqrt{2}  \times \sqrt{2}) }  = x

=  >  \sqrt{484}  = x = 22

Hence answer is B. 22

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