Respuesta :

musiclover10045

Area of full circle = πr^2

= 3.14 * 12^2

=3.14 * 144

=452.16 cm^2

Area of rectangle = l x w

= 10 * 3

= 30 cm^2

Area of shaded region:

452.16 - 30 = 422.16 cm^2

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