The central angle below is 1
It would be: 11/18 - 1/6
= 11 - 3 / 18
= 8/18
= 4/9
In short, Your Answer would be Option D
Hope this helps!
I say A. because all the sides are the same.
The painter painted 11 apartments because 4 doesn’t go into 45, so the closest think to 45 is 4 x 11 (44). the painter will have 1 gallon left.