円周の長さの求め方ってどうでしたっけ？忘れました。の英語

How do you derive the length of the circumference? I've forgotten.

Is it possible to determine the diameter from the circumference?

sides that have equal length

How long is it?

What is the length?

the length of a straight line, called diameter

circular measure

How long is it?

What is the length?

the measure of the length of something that can be gripped by the hands

The flange isn't at the correct angle.

the length of the closed curve of a circle

a length of pipe with a sharp bend in it

a method of angular measurement, called circular measure

the length of breadth of a finger used as a linear measure

a way of measuring the time spent talking on the telephone

the length of the circumference of a circular object

a unit of length equal to one twelfth of a foot

a word used to indicate a length of time

the ratio of the circumference to the diameter of a circle

the notion of a period of time (not a point in time)

How do you make a triangle-shaped onigiri? No matter how many times I try I can only make round onigiri.

a line that passes through the foci of an ellipse called a major axis

a unit used for counting the bundles of threads in a length, called {'kase'}

a unit of length of thread or yarn

a circular region whose area is indicated by the length of its radius

I want to know the length of this.

the degree of thickness of a columnar object

the total length of lines that have been connected

a ratio describing the shape of a conic section