LibreOffice 7.1 Help
Choose Slide - Slide Properties
Choose Slide - Slide Properties and then click the Page tab
Choose Slide - Slide Properties and then click the Background tab
Choose Slide - Slide Layout
Choose Slide - Change Slide Master
Choose Slide - New Slide
ඉදිරිපà¶à·Š කිරීමේ à¶à·“රුව, ක්ලික් කරන්න
New Slide