Can someone explain how to do this? you

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization

52 cm radius = diameter = area = circumference = circumfer