Graphic Design & Printing Technology
- LetthegivenstraightlineorarcbeAB.
- WithAandBascentersandradiusgreaterthanhalfofAB,drawarcs
intersectingeachotherat MandNrespectively. - JoinMandNwhichbisect thegivenlineorarc.
Todrawaperpendicularlinetoagivenlinefromagivenpointwithinit
- LetPbethegivenpointonagivenline AB.
- WithP ascentre,draw an arc cuttingABatMbytakinganysuitable
radius. - Withsameradius,marktwoequaldivisions on the arcMNandNRre-
spectively. - WithcentersN andR andofanysuitableradiusdrawarcstointersectat
apoint0.DrawalineOPthrough 0 andP,thelineOPistherequired
perpendicularline.
Dividingalineintoequalparts
Dividingalineintonumberofequalpartsbyusingdividersisnotveryaccurate.
Asatisfactorymethodis givenbelow.
- Ifthe linePQistobedividedintosixequalparts.
- DrawalinePRinclinedatanyconvenientacuteangletoPQ.
- Makesixequaldivisions along PR atanyconvenientlengthstartingfrom
P.