Victory fot the ACT Exam 16e ST Sample

U NIT 4 | G EOMETRY • 189

23. In the �igure below, if QRST is a square and the length of PQ is 20 , what is the length of RU ? A. 2 0 B. 6 0 C. 2 2 0 D. 4 24. In the �igure below, PQRS is a square, and PS lengitshthoef diameter of a semicircle. If the PQ is 2, what is the area of the shaded portion of the diagram?

25. If the lengths of the sides, in inches, are as marked on the �igure below, what iqsutahderailraetae,rainl?square inches, of the

A. B. 6 6 + 3 C. D. 1 1 2 8

F. 4 2 − r G. 4 0 − r H. 4 2 − r J. 8 0 − r