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geometry

  

powerpc

  

compute power of a given point with respect to a given circle

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

powerpc(P, c)

Parameters

P

-

point

c

-

circle

Description

• 

The power of point P with respect to circle c is R2+d2 where d is the distance from point P to the center of c, and R is the radius of c.

• 

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

Examples

withgeometry:

_EnvHorizontalNamea:_EnvVerticalNameb:

pointA,3,0,pointB,67,2:

circlec,a2+b2=1:

powerpcA,c

8

(1)

powerpcB,c

18349

(2)

See Also

geometry[HorizontalName]

geometry[VerticalName]

 


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