Pie charts show percentages as a circle, divided into segments. ... Radial/radar graphs are sometimes called rose charts. They have a central point from which data radiates outwards.

Russia's Defense Ministry broadcasting channel, Zvezda-TV, reports that Moscow has plans to start building new early warning radar stations in Azerbijan and near the Arctic Circle.

Pie charts show percentages as a circle, divided into segments. ... Radial/radar graphs are sometimes called rose charts. They have a central point from which data radiates outwards.