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Circle D was dilated to form circle D prime. The diameter of circle D is 5 units and the diameter of circle D prime is 15 units. What is the relationship between the areas of circle D and circle D prime?

Respuesta :

mhanifa

Answer:

  • A' = 9A

Step-by-step explanation:

Area formula:

  • A = πd²/4

Area of circle D:

  • A = π(5²)/4= 25/4π

Area of circle D'

  • A' = π(15²)/4 = 9*25/4π = 9A

Required relationship:

  • A' = 9A

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