Problem $8\mathrm{.}13$

What is the error in an observed direction for the situations noted?

Part A

Setting a total station $5$ mm to the side of a tack on a $45-m$ sight.

Express your answer in seconds of angle to three significant figures.

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Part B

Lining in the edge $($instead of center$)$ of a $\frac{3}{16}-$in$.$ diameter chaining pin at $500$ ft $.$

Express your answer in seconds of angle to three significant figures.

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Part C

Sighting the edge $($instead of center$)$ of a $2\mathrm{.}5-cm$ diameter range pole at $140$ m

Express your answer in seconds of angle to three significant figures.

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Part D

Sighting a target at the top of a $2-m$ range pole that is ${10}^{\text{'}}$ off$-$level on a $160-m$ sight.

Express your answer in seconds of angle to three significant figures.

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$717.$

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