Chapter 6 Test quadrilaterals, Form 2A Write the letter for the correct answer in the blank at the right of each question. 1. Find the sum of the measures of the interior angles of a convex 45-gon. A 8100 B 7740 C 360 D 172 2. Find the value of x. F 30 H 102 G 66 J 138 3. Find the sum of the measures of the exterior angles of a convex 39-gon. A 39 B 90 C 180 D 360 4. Which of the following is a property of all parallelograms? F Each pair of opposite sides is congruent. G Only one pair of opposite angles is congruent. H Each pair of opposite angles is supplementary. J There are four right angles. 5. For parallelogram ABCD, find m∠1. A 60 C 36 B 54 D 18 6. ABCD is a parallelogram with diagonals intersecting at E. If AE = 3x + 12 and EC = 27, find the value of x. F 5 G 17 H 27 J 47 7. Find the values of x and y so that this quadrilateral is a parallelogram. A x = 13, y = 24 C x = 7, y = 24 B x = 13, y = 6 D x = 7, y = 6 8. Find the value of x so that this quadrilateral is a parallelogram. F 12 H 36 G 24 J 132 9. Parallelogram ABCD has vertices A(8, 2), B(6, –4), and C(–5, –4). Find the coordinates of D. A D(–5, 2) B D(–3, 2) C D(–2, 2) D D(–4, 8) 10. ABCD is a rectangle. If AC = 5x + 2 and BD = x + 22, find the value of x. F 5 G 6 H 11 J 26 11. Which of the following is true for all rectangles? A The diagonals are perpendicular. B The diagonals bisect the angles. C The consecutive sides are congruent. D The consecutive sides are perpendicular. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. NAME DATE PERIOD Chapter 6 52 Glencoe Geometry Chapter 6 Test, Form 2A (continued) 12. ABCD is a rectangle with B(–4, 6), C(–4, 2), and D(10, 2). Find the coordinates of A. F A(6, 4) G A(10, 4) H A(2, 6) J A(10, 6) 13. For rhombus GHJK, find m∠1. A 22 C 68 B 44 D 90 14.