Dannydabroski Dannydabroski

16-02-2021
Mathematics

contestada

If the area of a circle is 81π, then what is the diameter of the circle?

Respuesta :

rantwitheve rantwitheve

04-03-2021

Answer:

18

Step-by-step explanation:

81π=πr^2

r= 9,-9

9+9=18

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