Argh, these questions constantly stump me...

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<p>Bluebook P. 462 </p>

<p>14) What is the perimeter of the figure above?</p>

<p>-</p>

<p>Also, henever I come upon questions involving the special right triangles, I'm able to identify them, but I don't know how to change the values of the legs according to what's given.</p>

<p>For example, if I were to come upon a 30, 60, 90 right triangle with side lengths already 5 or something. If the 30,60,90 triangle is supposed to be x, x sqrt 3, and 2x, then why do i not change the legs to 5 and 5 sqrt 3? I don't get it...</p>

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<p>Well the bottom is like an equilateral triangle so both the sides are also 6. 5*6 = 30, D.</p>

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<p>Cool, cool.</p>

<p>Now can someone answer my question about the special right angles, too? Thanks.</p>

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<p>thesmiths: For the triangle question, there is usually nothing wrong with changing the legs, unless the legs don't have those lengths!</p>