how do i find the side of a 30, 60, 90 triangle given one side?
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OpenStudy (anonymous):
*the sides
OpenStudy (anonymous):
use sin or cos
OpenStudy (anonymous):
With trig or without?
OpenStudy (anonymous):
congrats on 60 estudier!
OpenStudy (anonymous):
The side opposite the 30 degree angle is 1. The side opposite of 60 is sqrt 3. The hypotenuse is 2.
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OpenStudy (anonymous):
Gracias, amigo..:-)
OpenStudy (anonymous):
Since you're talking similar triangles, you can scale those values. Those come from the unit circle.
OpenStudy (amistre64):
use the force ... the triforce ...
OpenStudy (anonymous):
Since you're talking similar triangles, you can scale those values. Those come from the unit circle.
Why would we want to scale them?
OpenStudy (amistre64):
an equilateral triangle has every angle equal to 60 degrees
consider the sides to be of length 2; and bisect the triangle in half
this gives us a 60-30-90 with a hypot of 2; and a base of 1+1
pythag it to get the other leg of sqrt(3)
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