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Worksheet: Finding the Length of a Polar Curve

Q1:

Find the arc length of the cardioid with polar equation .

Q2:

Find the arc length of the cardioid with polar equation .

Q3:

Write the integral for the arc length of the spiral between and . Do not evaluate the integral.

  • A
  • B
  • C
  • D

Q4:

The purpose of this question is to get improved estimates on the length of a spiral curve.

Use the fact that when to find lower and upper bounds for the length of the spiral between and . Give your answer to 4 decimal places.

  • A
  • B
  • C
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  • E

By comparing to the average of and when , find better bounds for estimating . Give your answer to 4 decimal places.

  • A
  • B
  • C
  • D
  • E