Integrate Reading & Writing-Building 4 Unit 05 (E)

8 카드 | CompassPublishing

세트공유

gather

to bring things together
On March 14th, 1988, physicist Larry Shaw gathered his friends in San Francisco.

equation

formula
The equation is π = C ÷ d. Pi is the same value for every circle.

forever

being of a long duration, with no end in time
Pi is a number that goes on forever.

symbol

object or idea representing something else
This special number is represented by the symbol π.

circumference

A circumference is the distance completely around a circular object.
It is equal to the circumference of a circle divided by the diameter.

diameter

The the diameter of a round thing is the length across its center
The circumference of a circle divided by the diameter is equal to π.

characteristic

something that shows what a person or a thing is like
This special characteristic is celebrated in fun ways on Pi Day.

decimal

pertaining to tenths or the number 10
People have calculated it to over 10 trillion decimal places!