LibreOffice 6.2 Help
้ธๆใใใชใใธใงใฏใใไธใใไธใซ (ๅ็ดใซ) ๅ่ปขใใพใใ
ใใฎใณใใณใใฎ่ฆใคใๆน
Choose Modify - Flip - Vertically (LibreOffice Draw).
Choose Format - Image - Properties - Image tab.
Open context menu - choose Flip - Vertically (presentation documents).