The circumference of a circle = \(\pi d\) or \(2\pi r\). Look at the sector of the circle shown below. To calculate the length of the arc, we need to know what fraction of the circle is shown. To do ...
Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...
Your child can make beautiful circle art in this activity! Can a circle be created from a series of straight lines? The answer is yes! Odd Squad agents frequently use geometry to crack tough cases, ...