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Plz answer this correctly

Plz Answer This Correctly class=

Sagot :

9514 1404 393

Answer:

  8 m

Step-by-step explanation:

The area of a circle of radius r is ...

  A = πr²

The total area of the two circles is ...

  80π m² = πr² +π(2r)² = 5πr²

  r² = 16 m² . . . . . . . . . divide by 5π

  r = 4 m . . . . . . . . . . . positive square root

The radius of the larger circle is 2r = 2(4 m) = 8 m.

Answer:

8 m is the answer.

Step-by-step explanation:

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