Computer Shopper 125/Computer Shopper CD-ROM Issue 125 (1998-07)(Dennis Publishing).iso/EuroMath/MathDemo/DataBase/learning/ID145.txt

Text File | 1997-01-08 | 7.9 KB | 568 lines

p@seeAlso 3introducing polygons


@at 0,5
#<regular & irregular#
 #<polygons#

@atGraphic 5,2
@Picture shaspcm\s&s2.bmp




@animate GibRaiseLeftArm,GibLowHighWave,GibLowLeftWave,GibLowerLeftArm,GibRaiseLeftArm,GibGlassesOff



@PlaySoundFile s1010201.wav
@wait 0.5


@animate GibGlassesOn,GibLowerLeftArm




@at 10,40
@keyPoint 9999,regular && irregular polygons (part 1)


@atGraphic 5,2
@Picture shaspcm\s&s2.bmp


@atGraphic 15,45
@Picture s&spapbg.bmp

@atGraphic 20,58
@Picture d3-1-2a.bmp
@wait 1
@atGraphic 72,63
@Picture d3-1-2b.bmp
@wait 1
@atGraphic 123,61
@Picture d3-1-2c.bmp
@wait 1
@atGraphic 179,56
@Picture d3-1-2d.bmp
@wait 1

@atGraphic 20,143
@Picture d3-1-2e.bmp
@wait 1
@atGraphic 72,153
@Picture d3-1-2f.bmp
@wait 1
@atGraphic 133,145
@Picture shaspcm\d3-1-2g.bmp

'@Picture d3-1-2g.bmp
@wait 0.1
@atGraphic 179,146
@Picture d3-1-2h.bmp





'@WaitForSoundToFinish




@wait 2

@At 70,45
#bregular polygons#
@wait 0.5

@atGraphic 19,57
@Picture d3-1-2a1.bmp
@wait 0.5
@atGraphic 72,62
@Picture d3-1-2b1.bmp
@wait 0.5
@atGraphic 123,61
@Picture d3-1-2c1.bmp
@wait 0.5
@atGraphic 179,56
@Picture d3-1-2d1.bmp



@wait 0.5
@At 25,106
 square    rhombus  #^equilateral   pentagon
#T   triangle

'@PlaySoundFile s1010202.wav

@wait 0.5


@At 20,125
#B- - - - - - - - - - - - - - - - - - - - - - - -#
@wait 0.5



@At 70,133
#birregular polygons#

@wait 0.5
@At 25,178
               rectangle #^isosceles triangle

@wait 1


@animate GibTurnPage

@at 15,195
A #bregular polygon# has sides that are all of
#bequal length#, and "#binterior#" angles that
are all the #bsame#.


'+++++++++++++++++++++++++++++++++++PAGE 2

@prompt
@keyPoint 9999,regular && irregular polygons (part 2)

@atGraphic 5,2
@Picture shaspcm\s&s2.bmp




'@animate GibRaiseLeftArm,GibLowerLeftArm,GibRaiseLeftArm,GibLowerLeftArm

@atGraphic 15,50
@Picture s&spaper.bmp



@atGraphic 75,55
@Picture shaspcm\d3-1-3a.bmp

@wait 0.5

'@atGraphic 75,55
'@Picture d3-1-3b1.bmp
'@wait 0.5

'@atGraphic 75,55
'@Picture d3-1-31.bmp
'@wait 0.5




@At 103,151
#Bhexagon#


@animate GibRightArmUp
@wait 0.5
@animate GibRightArmDown,GibTurnPage



@At 10,170
To find the total of all the internal angles in a
polygon (#bregular# or #birregular#) use the
following formula:

@Wait 0.5
@At 90,
(#in#-2) ╫ 180░

@Wait 0.5
@At 10,
Where "#in#" is the number of sides.


'++++++++++++++++++++++++++++++++DRAW A CIRCLE


@prompt
@keyPoint 9999,regular && irregular polygons (part 3)

@atGraphic 5,2
@Picture shaspcm\s&s2.bmp




'@animate GibRaiseLeftArm,GibLowerLeftArm,GibRaiseLeftArm,GibLowerLeftArm

@atGraphic 15,50
@Picture s&spaper.bmp



@atGraphic 75,55
@Picture d3-1-3a.bmp
@wait 0.5

@atGraphic 75,55
@Picture d3-1-3b1.bmp
@wait 0.5

'@atGraphic 75,55
'@Picture d3-1-31.bmp
'@wait 0.5




@At 103,151
#Bhexagon#


@animate GibRightArmUp
@wait 0.5
@animate GibRightArmDown,GibTurnPage


@At 10,175
In the example above, a hexagon (6 sides)

@Wait 0.5
@At 90,+2
(#in# - 2)   ╫   180░
@At ,+2
(6 - 2)   ╫   180░
@At 83,+2
4   ╫  180░   =   720░






@prompt
@keyPoint 9999,regular && irregular polygons (part 4)

@atGraphic 5,2
@Picture shaspcm\s&s2.bmp

@PlaySoundFile s1010203.wav


@animate GibRaiseLeftArm,GibLowerLeftArm,GibRaiseLeftArm,GibLowerLeftArm

@atGraphic 15,50
@Picture s&spaper.bmp



@atGraphic 75,55
@Picture d3-1-3a.bmp
@wait 0.5

@atGraphic 75,55
@Picture d3-1-3b1.bmp
@wait 0.5

@atGraphic 75,55
@Picture d3-1-31.bmp
@wait 0.5




@At 103,151
#Bhexagon#


@animate GibRightArmUp
@wait 0.5
@animate GibRightArmDown,GibTurnPage





@Wait 0.5
@At 10,175
So, to find each angle of a #bregular# hexagon,
divide the total angle by the number of sides...

@Wait 0.75
@At 83,+7
720░ ≈ 6 = 120░











@prompt
@keyPoint 402,draw a circle

@atGraphic 5,2
@Picture shaspcm\s&s2.bmp

@PlaySoundFile s1010204.wav

@atGraphic 15,65
@Picture s&spaper.bmp


@At 35,50
#bHow to draw a regular polygon#


@At 10,190
#BKey Step One#

@animate GibRaiseLeftArm,GibGlassesOff


@wait 0.5
First, #K402,*draw a circle#.

@atGraphic 110,105
@Picture compass.bmp
@atGraphic 70,70
@Picture d3-1-0a1.bmp
@wait 0.01
@atGraphic 70,70
@Picture d3-1-0a2.bmp
@wait 0.01
@atGraphic 70,70
@Picture d3-1-0a3.bmp
@wait 0.01
@atGraphic 70,70
@Picture d3-1-0a4.bmp
@wait 0.01
@atGraphic 70,70
@Picture d3-1-0a5.bmp
@wait 0.01
@atGraphic 70,70
@Picture d3-1-0a6.bmp

@atGraphic 113,105
@Picture compass.bmp

'++++++++++++++++++++++++++DEGREES + NUMBER OF SIDES

@prompt
@keyPoint 403,≈ 360░ by the number of polygon sides


@atGraphic 5,2
@Picture shaspcm\s&s2.bmp

@animate GibGlassesOn,GibLowerLeftArm

@atGraphic 15,65
@Picture s&spaper.bmp
@atGraphic 70,70
@Picture d3-1-0a.bmp

@At 10,190
#BKey Step Two#

@wait 0.5
Then, #K403,≈ 360░ by the number of polygon#
#K403,sides#.
@wait 0.25



@wait 0.25
@atGraphic 113,105
@Picture calculat.bmp
@wait 0.25

@atGraphic 37,160
@Picture numbers\3.bmp
@atGraphic +20,
@Picture numbers\6.bmp
@atGraphic +20,
@Picture numbers\0.bmp

@wait 0.25

@atGraphic +25,
@Picture numbers\divide.bmp
@wait 0.25
@atGraphic +25,
@Picture numbers\6.bmp
@wait 0.25
@atGraphic +25,
@Picture numbers\equals.bmp
@wait 0.25
@atGraphic +25,
@Picture numbers\6.bmp
@atGraphic +20,
@Picture numbers\0.bmp
@wait 0.25

'++++++++++++++++++++++++MARK OFF THE CIRCLE


@prompt
@keyPoint 404,mark off the circle


@atGraphic 5,2
@Picture shaspcm\s&s2.bmp

@atGraphic 15,65
@Picture s&spaper.bmp
@At 10,190
#BKey Step Three#


@wait 0.5
Next, #K404,*mark off the circle# every #i╫# number of
degrees (#i╫# = 360 divided by number of sides).

@atGraphic 70,70
@Picture d3-1-0a.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0b1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0c1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0d1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0e1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0f1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0g1.bmp
@wait 0.25
@atGraphic 107,108
@Picture protract.bmp


'++++++++++++++++++++++JOIN ADJACENT MARKS

@prompt
@keyPoint 405,join adjacent marks around the circle

@atGraphic 5,2
@Picture shaspcm\s&s2.bmp


@atGraphic 15,65

@Picture s&spaper.bmp
@At 10,190
#BKey Step Four#

Finally, #K405,join adjacent marks around the#
#K405,circle#.
@atGraphic 70,70
@Picture d3-1-0g1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0h1.bmp
@wait 0.25


@atGraphic 70,70
@Picture d3-1-0i1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0j1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0k1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0l.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0m1.bmp
@wait 0.25

@atGraphic 70,70
@Picture d3-1-0n1.bmp
@wait 0.25
@atGraphic 97,117
@Picture ruler.bmp


@PlaySoundFile s1010205.wav



@prompt
@keyPoint 9999,summary


@atGraphic 5,2
@Picture shaspcm\s&s2.bmp

@At ,+3

#BSummary#
@Wait 0.75
@At ,+1
   *   #^To find the total of all angles in any polygon
#Tuse the formula:
@At 90,
    (#in#-2) ╫ 180░

@Wait 0.75
@At 10,+1

   *   #TTo find each angle of a #bregular# polygon,
#Tdivide the total angle by the number of sides;

@At -1,
.

@Wait 0.75
@At 10,+1

To draw a #Bregular# polygon.

@Wait 0.75
@At ,+1
   *   #^First #K402,*draw a circle#

@Wait 0.75
@At ,+1
   *   #TThen, #K403,≈ 360░ by the number of #
#T#K403,polygon sides#


@Wait 0.75
@At ,+1
   *   #TNext, #K404,*mark off the circle# every #i╫#
#Tnumber of degrees (#i╫# = 360 divided by
#Tnumber of sides)

@Wait 0.75
@At ,+1
   *   #TFinally, #K405,join adjacent marks around#
#T#K405,the circle#. circle#.