Question

adam ct. is perpendicular to charles st. and charles st. is parallel to edward rd. what must be true?
dana la. ⊥ charles st.
adam ct. || dana la.
adam ct. ⊥ edward rd.
bertha dr. || charles st.

Explanation:

If a line is perpendicular to one of two parallel lines, it is perpendicular to the other. Since Adam Ct. is perpendicular to Charles St. and Charles St. is parallel to Edward Rd, Adam Ct. must be perpendicular to Edward Rd.

Answer:

Adam Ct. ⊥ Edward Rd.