Q.8 An angle is greater than 45°. Is its complementary angle greater than 45° or equal to 45° or less than 45 °?

Given angle is greater than 45°
Let the given angle be x°.
So, x > 45
Complement of x° = 90° – x° < 45° [ because x > 45°]
Thus the required angle is less than 45°.