$\"\"$

The radius of the end of the log is a found is $\"\"$ inches.

A possible error is $\"\"$ inches.

The area of the end of the log is $\"\"$ .

Here $\"\"$ inches and $\"\"$ inches.

$\"\"$ .

Differentiate on each side with respect to $\"\"$ .

$\"\"$

Substitute $\"\"$ and $\"\"$ in the dervative function.

$\"\"$ .

$\"\"$ sq-inches.

Propagating error is $\"\"$ .

$\"\"$

Propagating error is $\"\"$ .