Four regular hexagons are drawn so as to form the design as shown in the
figure. If the perimeter of the design is 28cm, find the length of each side of the
hexagon.
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The two laws followed by a beam of light traversing through two media are: The incident ray refracted ray, and the normal to the interface of two media at the point of incidence all lie on the same plane. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant.
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