Question

what is used to accurately position objects on the slide using a single reference point at the center of the slide?
a. guides
b. gridlines
c. ruler
d. border

Explanation:

Guides are used to accurately position objects on a slide using a single - point reference like the center of the slide. Rulers are mainly for measuring lengths, gridlines create a grid pattern for general alignment, and borders define the edge limits.

Answer:

Guides