Arcs are an important aspect of geometry, physics, trigonometry and design work. However, curved lines are much more difficult to measure than straight lines, which is why it's important to ...

The arc length is 1 4 × π × 8 = 2 π. Rounded to 3 significant figures the arc length is 6.28cm. The formula to calculate the arc length is: Arc length = angle 360 × π × d ...