In many circles, participating in group activities often comes with a cost. ... Why your social circle shapes how you spend money comes down to one thing: influence.

A Circle High School teacher delivering a lesson on controversial free speech caused a controversy of her own this week when parents complained that her actions were offensive and should not be ...

The radius of the first circle is shown as 3cm. They then increase by 2cm each time: 5cm → 7cm → 9cm → 11cm. So, the radius of the largest circle is 11cm.