News

The formula to calculate the arc length is: \(\text{Arc length} = \frac{\text{angle}}{360^\circ} \times \pi \text{d}\) Calculate the arc length to 2 decimal places. First calculate what fraction ...
Save guides, add subjects and pick up where you left off with your BBC account. The circumference of a circle = \(\pi d\) or \(2\pi r\). Look at the sector of the circle shown below. To calculate ...