send a phone number by snail mail having written it on the handed piece of paper

English Language Tests, Intermediate level

ESL/EFL Test #722 [color=blue]“Real Life: Using Body Parts as Verbs (2)”, question 6

Please me that piece of paper over there. I need to get a phone number off of it.

(a) face
(b) hand
(c) neck
(d) stomach

English Language Tests, Intermediate level

ESL/EFL Test #722 [color=blue]“Real Life: Using Body Parts as Verbs (2)”, answer 6

Please hand me that piece of paper over there. I need to get a phone number off of it.

Correct answer: (b) hand

Your answer was: [color=green]correct
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please explain the second sentence. to send a phone number by snail mail having written it on the handed piece of paper?

thanks

The phone number is written on the piece of paper.
The speaker would like to see the paper so that they can read/use the phone number.