A traffic light has three "eyes" and one "leg."
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In a 30° 60° 90° triangle, the ratio (long leg)/hypotenuse = sqrt(3)/2 ~ 0.866The ratio (short leg)/hypotenuse = 1/2 = 0.5
16 because if the long leg is 16 times the square root of 3 the little leg has to be 16 and the hypotenuse hast to be 32 because the ratios in a 30-60-90 triangle are 1:2:sqrt3. If we say that the square root of three is about 1.7 and take that times 16 we get 27.2. Using the Pythagorean theorem we get 27.2 squared+16 squared=about the square root of 995.84 which is about 32 so it works. You can check the answer if you want to make sure.
28
12*2 = 24 eyes.
5.91 m.