Graphic Design & Printing Technology

Graphic Design & Printing Technology

LetABbethelengthofonesideofsquare.

(a) With set square only:DrawalineABbymeansofa T-SquarethroughA
andBdrawverticallineAMandBNDraw twolines ACandBDinclined
at45°toABandBA,therebycuttingBNatCandAMatD.JoinCwith
D. ThenABCDistherequiredsquare.

(b) Withthehelpofcompass:-Drawagivenline AB. At A drawalineAM
perpendicular to ABwithAascentreandradiusAB,drawanarccutting
AMatD.WithBandDascentersandhavingsameradiusie.AB,draw
arcsintersectingeachotheratC.JoinBCandCD.ThenABCDisthe
requiredsquare.

Drawacircleinscribedinasquare:

Draw a straight line AB.

DrawverticallinesAMandBNfromAandB.

WithAandBasthecentersdrawarcsradiusofAB,thesearcscutsAMatC
andBNatD.Join CD.

Drawtwodiagonals ADandBC.Thesetwodiagonals
intersecting atO.DrawaverticallinefromOtothe
midpointof line AB.Drawacirclewith Oascentre
andradiusof OP.

RECTANGLE

Rectangleisthequadrilateralinwhichtheopposite
sidesareequalandalltheanglesareatright angles.

Activity:- Drawarectangleof length60mmandbreath30mm.as per the
procedure.

Procedure:

• DrawastraightlineABequalto60mm


• FromAdrawverticallineAM.


• WithAascentreandradiusof30mmdrawanarccuttingAMatD.


• WithDascentreandradiusof 60mmdrawanarc.


• WithB ascentreandradiusof30mmdrawanotherarc.


• These 2 arcs intersects each other at C. Join BC and CD.


• Then rectangle ABCD is obtained