80p=pr^2+p(2r)^2
80p=pr^2+4pr^2
80=r^2+4r^2
80=5r^2
16=r^2
r=4 for the smaller circle´s radius, and 8 is the larger circle´s radius.
Have a nice day, I hope this was helpful :D
Answer:
Step-by-step explanation:
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U do 5.6/5; that would get you to 1.12. so 5.6/5=.12. that;s ur answer
8-4=4
4-(3/4)= 3.25 or 3 1/4
Answer:
16 and 2
Step-by-step explanation:
16+2=18
16-2=14
