1.

\[\overleftrightarrow{\text{PQ}}\] is perpendicular to \[\overleftrightarrow{\text{RS}}\] is symbolically written as ________.

A. \[\overleftrightarrow{\text{PQ}}\bot \overleftrightarrow{\text{RS}}\]
B. \[\overleftrightarrow{\text{PQ}}||\overleftrightarrow{\text{RS}}\]
C. \[\overleftrightarrow{\text{PQ}}\ne \overleftrightarrow{\text{RS}}\]
D. \[\overleftrightarrow{\text{PQ}}=\overleftrightarrow{\text{RS}}\]
Answer» B. \[\overleftrightarrow{\text{PQ}}||\overleftrightarrow{\text{RS}}\]


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