Question 9 Answer and Explanation _ACT June 2011 Asia Form 67B Math Section

Question 9 Answer and Explanation _ACT June 2011 Asia Form 67B Math Section

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9. In trapezoid PQST shown below, the midpoint of $\overline{PT}$ is U and the midpoint of $\overline{QS}$ is R. The line segments $\overline{PQ}$ , $\overline{TS}$ , and $\overline{UR}$ are parallel. The given dimension are in decimeters. How many decimeters long is $\overline{ST}$ ?

A. $8\frac{1}{2}$

B. $11\frac{1}{2}$

C. 13

D. 17

E. $18\frac{1}{2}$

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation