| Degrees (Angles) - Math is Fun - Maths Resources |
| Why 360 degrees? Probably because old calendars (such as the Persian Calendar) used 360 days for a year - when they watched the stars they saw them revolve around the ... read more... |
| Degrees (Angles) - Math is Fun - Maths Resources |
| Why 360 degrees? Probably because old calendars (such as the Persian Calendar) used 360 days for a year - when they watched the stars they saw them revolve around the ... read more... |
