Jhanallamelo11go Jhanallamelo11go Math Answered D. the MLA ISC. the mzA is between 180°and 270º.If mZ1 + m_2=90, thenA. 21 and 22 are right angles.C. 21 and 22 are complementary angles.What is an indirect proof?B. 21 and 22 are obtuse angles.D. 21 and 22 are supplementary angles