Respuesta :

Answer:

220 m

Step-by-step explanation:

Circumference of a circle = 2πr

Area of a circle = πr²

=>3850 = 22/7 x r²

=> 3850 × 7/22 = r²

=> 175 x 7 = r²

=> 1225 = r²

=>√1225 = r

=> 35m = r

Circumference of a circle = 2πr = 2 x 22/7 x 35 = 220m

The circumference of the circle is 220m.

Hope you understood!!

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