To find circumference: Multiply diameter by: 3.1416 or divide diameter by: 0.3183 To find diameter: Multiply ... To find the area of a circle: Multiply circumference by one quarter of the diameter, or multiply the square of the diameter by 0.7854.
|Title||:||Marine Boilermaking Practice (a Manual of Instruction for Beginning and Advanced Marine Boilermakers) ...|
|Author||:||Pennsylvania. Dept. of Public Instruction|