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Explain and draw a diagram to show what happens to light when it enters oil kept in aglass.​

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Answer:

An acute angle is an angle that MEASURES less than 90 degrees. ... For example, in an equilateral triangle, all THREE ANGLES measure 60˚, MAKING it an acute triangle. Acute triangle. Dividing the right angle will give us two or more acute angles since each newly formed angle will be less than 90˚.



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