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Alex_Xolod [135]
3 years ago
12

The circumference of circle B is 48. The circumference of circle A is 12. How many times greater is the area of circle B to the

area of circle A
Mathematics
1 answer:
nata0808 [166]3 years ago
7 0
Circumference = 2(pi)(radius)

Circle 1: 48=2(pi)(radius)
              24/pi = radius

Circle 2: 12 = 2(pi)(radius)
                6/pi = radius



Area = (pi)(radius)^2

Circle 1: A = (pi) (24/pi)^2
                  = 576 / pi

Circle 2:  A = (pi) (12/pi)^2
                  = 144 / pi

576/144 = 4 times greater
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