marque os pontos A(10,2); B(4,2); C( 1,10); D(11,3); E(5,3); F(11,9). Ligue os pontos ABC e depois ligue DEF formando 2 ângulos. Os ângulos ABC e DEF, são respectivamente

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit