The Total solution for NCERT class 6-12
Answer - 1 : - When the sum of two angles is 90 degrees, then the angles are known as complementary angles.
Answer - 2 : - When the sum of two angles is 180┬░, then the angles are known as supplementary angles.
Answer - 3 : - Two angles are Adjacent when they have a common side and a common vertex.
Answer - 4 : - An acute angle
Answer - 5 : - An obtuse angle
Answer - 6 : - A right angle