OpenStudy (anonymous):

Which of these three-dimensional objects has rotational symmetry about a line? rolling pin rectangular staircase holing pincer

5 years ago
OpenStudy (anonymous):

|dw:1363034637940:dw| I don't think the staircase has rotational symmetry.

5 years ago
OpenStudy (anonymous):

|dw:1363034786566:dw| The rolling pin seems more likely.

5 years ago
OpenStudy (anonymous):

|dw:1363034911996:dw|

5 years ago
zepdrix (zepdrix):

|dw:1363038827547:dw|Yah the rolling pin certainly does :) Can it only be one of them? Is it like a multiple choice question where you choose ONE?

5 years ago