Answer: y+-1m -1
Step-by-step explanation:
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
Compute the division left to right first, and then the addition/subtraction left to right!
Area is basically multiplication. You multiply the length by the width
Subtract the five from the ten