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nikitadnepr [17]
3 years ago
9

Que permitió que la idea de la propacion de la luz cambiara

Law
1 answer:
oksano4ka [1.4K]3 years ago
5 0

Answer:

La ley de refracción

Explanation:

La ley de refracción, o la ley de Snell, predice el ángulo en el que un rayo de luz se doblará o refractará, a medida que pase de un medio a otro.

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Given AB | | DE. Triangle A B C. Side A B is 12 miles and B C is x miles. Triangle C D E. Side C D is 6 miles and D E is 8 miles
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Answer:

12 miles

Explanation:

Two triangles are similar if their two corresponding angles are congruent (equal) to each other.

if their two corresponding angles are of equal this also means that the third angle is also equal and corresponding.

ΔABC ∼ ΔEDC (two corresponding angles are congruent)

Therefore to find the sides, we use the following proportions:

\frac{AC}{AE}=\frac{BC}{BD}=\frac{DE}{AB}

BC = x miles, CD = 6 miles. Therefore BD = BC + CD = (6 + x) miles

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Therefore:

\frac{BC}{BD}=\frac{DE}{AB}\\\frac{x}{x+6}=\frac{8}{12}\\48 + 8x = 12x\\ 12x-8x=48\\4x=48\\ x=48/4=12\\x=12miles

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