An autonomous, robotic hydraulic excavator could build ... to build a blast shield ring with a radius of 50 meters, a circumference of 314 meters (1,030 feet) and a height of 3.3 meters (10.8 ...

Parts of a circle Discover the features of a circle and how to measure the radius, circumference and diameter. Drawing and measuring angles Learn how to draw and measure angles up to 180 degrees ...

Waist-to-hip ratio (WHR), also known as waist-hip ratio, is the circumference of the waist divided by the circumference of the hips. Research associates a high WHR with certain health risks.

For those individuals who choose to continue the gestation to term, it is critical to assess the fetus for signs of possible lethality (diminished femur length to abdominal circumference ratio ...