Arc Length Calculator
Understanding Arc Length
Key formulas:
- Arc Length = radius × angle (in radians)
- Sector Area = ½ × radius² × angle (in radians)
- Chord Length = 2 × radius × sin(angle/2)
- Full Circumference = 2 × π × radius
- Arc Percentage = (angle / 2π) × 100%
Note: When working with circles, it's important to use the correct angle units. Remember that 360 degrees equals 2π radians, and 1 radian is approximately 57.2958 degrees.