Answer:

(a) 3 images,(b) 5 images (c) 7 images

Explanation:

(a) 360/90 =4

then subtract 1 from it

so we got 3

(b) 360/60=6

then subtract 1 from it

so we got 5

(c)360/45=8

then subtract 1 from it

so we got=7