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geometry

  

area

  

compute the area of a triangle, square, circle, or ellipse

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

area(obj)

Parameters

obj

-

triangle, square, circle, or ellipse.

Description

• 

The routine area returns the area of the input object which is a triangle, a square, a circle, or an ellipse.

• 

The command with(geometry,area) allows the use of the abbreviated form of this command.

Examples

withgeometry:

triangleABC,pointA,0,0,pointB,2,0,pointC,1,3:

areaABC

3

(1)

squareSqr,pointA,1,212+1,pointB,212+1,1,pointC,1,212+1,pointE,212+1,1:

areaSqr

4

(2)

circlec,pointOO,3,2,2:

areac

4π

(3)

ellipsee,x216+y29=1,x,y:

areae

12π

(4)

See Also

geometry[circle]

geometry[ellipse]

geometry[square]

geometry[triangle]

 


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