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nikklg [1K]
3 years ago
15

The radius of a puddle is claimed to be 12.0 inches, correct to within 0.01 inch. Use linear approximation to estimate the resul

ting error, measured in square inches, in the area of the puddle.
Mathematics
2 answers:
navik [9.2K]3 years ago
8 0

Answer:

I think the answer is 23

Ahat [919]3 years ago
8 0

Answer:

  the resulting error is about 0.754 in²

Step-by-step explanation:

  A(r) -A(r0) ≈ dA/dr·(r -r0)

The area of a circle is given by ...

  A(r) = πr²

so the derivative is

  dA/dr = 2πr

and the area error is ...

  dA/dr·(r -r0) = 2π(12 in)(0.01 in) = 0.24π in² ≈ 0.754 in²

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