25 In the diagram shown, a circle has chords CD and AB that intersect at point E. Let CE = 12, DE = 3, BE = x, and AE = 21 + 1. How much longer is AE than BE? (A) 2 (B) (C) 3 (D) (E) None of these
26. The area of a rhombus is 130 square units, and one diagonal has length 13 units. What is the length of the other diagonal? (A) (B) 10 (C) 20 (D) 30 None of these
27. If all but one of the interior angles of a convex polygon add up to 860, what is the measure of the remaining angle? (A) 409 (B) 602 (C) 809 (D) 1009 None of these
28. In the given circle, chord AB has length 12 and the measure of arc ADB is 240. What is the radius of the circle? (A) (B) (C) 2√3 (D) 4√3 None of these
29. If a square and a circle have the same perimeter, then the area of the square divided by the area of the circle is (A) 7 (B) 2 (C) π (D) 2π None of these