Volume To measure the index of refraction for dierent liquids, you can use half-circle refraction cups.
Keep this image open as you work on the tasks.
Part A
Which measurements do you need to know to nd the volume of a cylinder?

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Part B
Since the base of the refraction cup is a half circle, how can you nd the radius? What is the radius?

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Part C
If you put two refraction cups together, what three dimensional shape would you have?

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Part D
The formula for the volume of a cylinder is . What is the approximate volume of two refraction cups?
Use 3.14 for pi.

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Part E
Since one refraction cup is half of a cylinder, how could you change the formula for the volume of a cylinder to
calculate the volume of a refraction cup?

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Part F
Using the equation from Part E, what is the approximate volume of one refraction cup? What is the relationship
between this value and the value from Part D? Use 3.14 for pi.