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Hello everyone! In this video lesson we will see the area of a circle, its formula and we will do some important exercises that can help you a lot in your studies. In addition, we will see how to determine the area of a circular sector knowing the central angle or the length of the corresponding arc. Have a good class! _ SUBSCRIBE: / professorferretto WEBSITE: www.professorferretto.com.br FACEBOOK: www.facebook.com/maismatematica