3(2+8) answers: 6, 24, 30, 10 which one is the right answer?

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that