1. Find the circumference. Round the answer to the nearest tenth. A. 14.1 in. B. 282.6 in. C. 25.1 in. D. 28.3 in. Hint 2. Find the perimeter of the figure. A. 13 yd B. 26 yd C. 18 yd D. 22 yd Hint 3. The sum of the measures of the angles of a regular octagon is 1,080°. Find the measure of one of its angles. A. 120° B. 108° C. 135° D. 90° Hint 4. Which is not a perfect square? A. 48 B. 169 C. 100 D. 144 Hint 5. Find . A. 17 B. 15 C. 25 D. 22 Hint 6. The hypotenuse of a right triangle is 38 meters long, and one of its legs is 15 meters long. Find the length of the other leg. A. about 52.9 m B. about 46.4 m C. about 40.9 m D. about 34.9 m Hint 7. Find the area of the parallelogram. A. 28 square units B. 64 square units C. 48 square units D. 14 square units Hint 8. Find the area of a circle with a diameter of 16.8 feet. Round the answer to the nearest tenth.(Use 3.14 for .) A. 221.6 ft2 B. 52.8 ft2 C. 165.6 ft2 D. 886.2 ft2 Hint 9. Find the sum of the measures of the interior angles of the polygon. A. 360° B. 720° C. 540° D. 1080° Hint 10. Which diagram correctly displays a right triangle? A. B. all answers are correct C. D. Hint