Circle D was dilated to form circle D’. The diameter of circle D is 10 units and the diameter of circle D’ is 8 units. What is the relationship between the areas of circle D and circle D’?

Circle D was dilated to form circle D’. The diameter of circle D is 10 units and the diameter of circle D’ is 8 units. What is the relationship between the areas of circle D and circle D’?

A The area of circle D’ would be 8 - 10 of the original area

B The area of circle D’ would be 64 - 100 of the original area

C The area of circle D’ would be 10 - 8 times the original area

D The area of circle D’ would be 100 - 64 times the original area.

R_scott R_scott answered

the area is proportional to the SQUARE of the diameter