Answer:
Widescreen (16:9)
Explanation:
Widescreen (16:9) is the default slide size in Microsoft PowerPoint 2013 and 2016. Widescreen (16:9) slides have a size of 13.33 x 7.5 inches or 33.867 x 19.05 cm. Standard (4:3) was the default slide size in older versions of Microsoft PowerPoint, like 2003 or 2007
