how many segment(s) are perpendicular to \$ \\overline { a c } \$?

$how many segment(s) are perpendicular to \$ \\overline { a c } \$?$

how many segment(s) are perpendicular to \$ \overline { a c } \$?

A segment is perpendicular to $\overline{AC}$ if it forms a right angle ($90^\circ$) with $\overline{AC}$.

Only $\overline{BE}$ has a right angle symbol with $\overline{AC}$, so there is 1 such segment.

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