1. True or false: 1. . . . . (Wrong) 2. . . . . (Wrong) 3. . . . . (right) 4. . . . . (Wrong) 5. . . . . (Wrong) 2. Fill in: radius 1 (2) (3) (4) 6 diameter 2 4 6 8 16 circumference. 6.2812.5618.84 25.12 50.24 area 3.1412.56 28.26 50.2413. Therefore, 2, the area of 24 24 24 24 24 24 length 1 2 3 4 6 8 width 24 12 8 6 4 3 perimeter 50 28 22 20 22 (1) is inversely proportional to (2), because they are only proportional to, not multiples, but different proportions.