Circle + subtraction - practice problems
Number of problems found: 23
How many different circles are determined by 9 points at the plane if 6 of them lie in a straight line?
- The coil
How many ropes (the diameter 8 mm) fit on the coil (threads are wrapped close together) The coil has dimension: the inner diameter 400mm, the outside diameter 800mm and the length of the coil is 470mm
- Metal balls
Four metal balls with a diameter of 5 cm are placed in a measuring cylinder with an inner diameter of 10 cm. What is the smallest water volume to be poured into the cylinder so that all balls are below the water level?
Circle practice problems. Subtraction practice problems.