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4 votes
In the diagram below, \overline{RA}

RA
start overline, R, A, end overline is parallel to \overline{ET}
ET
start overline, E, T, end overline, and RTRTR, T is 212121 units long.

2 Answers

6 votes

Answer:

12

Explanation:

Khan

User Robert Robinson
by
4.5k points
1 vote

Answer:

12

Explanation:

User Peuczynski
by
3.8k points