Biangular

Too long unknown, unmapped and undescribed, a fault block of broad, biangular pattern has recently been outlined lying athwart the lower waters of Drennon Creek in north-eastern Henry County, Kentucky.

X-ray tubes with biangular anode discs are used for dual focus tubes, where there is a need of very small effective focal spot.

a biangular circle

Before proceeding with the Uniform Circle Formation problem, let us consider a less restricted version of that problem, the biangular circle formation: The robots must be placed on the boundary of a circle at intervals forming a biangular configuration (refer to Chapter 3).