quarter circle | 1 1/4 circle | 2 1/4 circle | 3 1/4 circle | 4 1/4 circle | 5 1/4 circle | 6 1/4 circle | 7 1/4 circle | 8 1/4 circle | 9 1/4 circle | 10 1/4 circle | 11 1/4 circle | 12 1/4 circle | 13 1/4 circle | 14 1/4 circle | 15 1/4 circle | 16 1/4 circle | 17 1/4 circle | 18 1/4 circle | 19 1/4 circle | 20 1/4 circle | 21 1/4 circle | 22 1/4 circle | 23 1/4 circle | 24 1/4 circle | 25 1/4 circle | 26 1/4 circle | 27 1/4 circle | 28 1/4 circle | 29 1/4 circle | 30 1/4 circle | 31 1/4 circle | 32 1/4 circle | 33 1/4 circle | 34 1/4 circle | 35 1/4 circle | 36 1/4 circle | 37 1/4 circle | 38 1/4 circle | 39 1/4 circle | 40 1/4 circle | 41 1/4 circle | 42 1/4 circle | 43 1/4 circle | 44 1/4 circle | 45 1/4 circle | 46 1/4 circle | 47 1/4 circle | 48 1/4 circle | 49 1/4 circle | 50 1/4 circle | 51 1/4 circle | 52 1/4 circle | 53 1/4 circle | 54 1/4 circle | 55 1/4 circle | 56 1/4 circle | 57 1/4 circle | 58 1/4 circle | 59 1/4 circle | 60 1/4 circle | 61 1/4 circle | 62 1/4 circle | 63 1/4 circle | 64 1/4 circle | 65 1/4 circle | 66 1/4 circle | 67 1/4 circle | 68 1/4 circle | 69 1/4 circle | 70 1/4 circle | 71 1/4 circle | 72 1/4 circle | 73 1/4 circle | 74 1/4 circle | 75 1/4 circle | 76 1/4 circle | 77 1/4 circle | 78 1/4 circle | 79 1/4 circle | 80 1/4 circle | 81 1/4 circle | 82 1/4 circle | 83 1/4 circle | 84 1/4 circle | 85 1/4 circle | 86 1/4 circle | 87 1/4 circle | 88 1/4 circle | 89 1/4 circle | 90 1/4 circle | 91 1/4 circle | 92 1/4 circle | 93 1/4 circle | 94 1/4 circle | 95 1/4 circle | 96 1/4 circle | 97 1/4 circle | 98 1/4 circle | 99 1/4 circle | 100 1/4 circle |
eighth circle | 2 1/8 circle | 4 1/8 circle | 6 1/8 circle | 8 1/8 circle | 10 1/8 circle | 12 1/8 circle | 14 1/8 circle | 16 1/8 circle | 18 1/8 circle | 20 1/8 circle | 22 1/8 circle | 24 1/8 circle | 26 1/8 circle | 28 1/8 circle | 30 1/8 circle | 32 1/8 circle | 34 1/8 circle | 36 1/8 circle | 38 1/8 circle | 40 1/8 circle | 42 1/8 circle | 44 1/8 circle | 46 1/8 circle | 48 1/8 circle | 50 1/8 circle | 52 1/8 circle | 54 1/8 circle | 56 1/8 circle | 58 1/8 circle | 60 1/8 circle | 62 1/8 circle | 64 1/8 circle | 66 1/8 circle | 68 1/8 circle | 70 1/8 circle | 72 1/8 circle | 74 1/8 circle | 76 1/8 circle | 78 1/8 circle | 80 1/8 circle | 82 1/8 circle | 84 1/8 circle | 86 1/8 circle | 88 1/8 circle | 90 1/8 circle | 92 1/8 circle | 94 1/8 circle | 96 1/8 circle | 98 1/8 circle | 100 1/8 circle | 102 1/8 circle | 104 1/8 circle | 106 1/8 circle | 108 1/8 circle | 110 1/8 circle | 112 1/8 circle | 114 1/8 circle | 116 1/8 circle | 118 1/8 circle | 120 1/8 circle | 122 1/8 circle | 124 1/8 circle | 126 1/8 circle | 128 1/8 circle | 130 1/8 circle | 132 1/8 circle | 134 1/8 circle | 136 1/8 circle | 138 1/8 circle | 140 1/8 circle | 142 1/8 circle | 144 1/8 circle | 146 1/8 circle | 148 1/8 circle | 150 1/8 circle | 152 1/8 circle | 154 1/8 circle | 156 1/8 circle | 158 1/8 circle | 160 1/8 circle | 162 1/8 circle | 164 1/8 circle | 166 1/8 circle | 168 1/8 circle | 170 1/8 circle | 172 1/8 circle | 174 1/8 circle | 176 1/8 circle | 178 1/8 circle | 180 1/8 circle | 182 1/8 circle | 184 1/8 circle | 186 1/8 circle | 188 1/8 circle | 190 1/8 circle | 192 1/8 circle | 194 1/8 circle | 196 1/8 circle | 198 1/8 circle | 200 1/8 circle |
1/4 circle or quarter circle is equal to 360°/4 = 90°. Plural name is quarter circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter circle | 1/4 circle | ≡ 45 ° | = 1.5707963 rad | Metric system SI |
quarter circles | eighth circles | quarter circles | eighth circles |
---|---|---|---|
1 | = 2 | 6 | = 12 |
2 | = 4 | 7 | = 14 |
3 | = 6 | 8 | = 16 |
4 | = 8 | 9 | = 18 |
5 | = 10 | 10 | = 20 |
1/8 circle or eighth circle is equal to 360/8 = 45°. Plural name is eighth circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
eighth circle | 1/8 circle | ≡ 45 ° | = 0.78539815 rad | Metric system SI |
eighth circles | quarter circles | eighth circles | quarter circles |
---|---|---|---|
1 | = 0.5 | 6 | = 3 |
2 | = 1 | 7 | = 3.5 |
3 | = 1.5 | 8 | = 4 |
4 | = 2 | 9 | = 4.5 |
5 | = 2.5 | 10 | = 5 |
quarter circles | eighth circles |
---|---|
1 | = 2 |
0.5 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |