State whether the following statement is true or false.
180º is an example of an obtuse angle.
True
False
If the angle is greater than 90º and lesser than 180º, then it is called an obtuse angle. If it is 180º, it is called straight angle.
State whether the following statement is true or false. 90∘ is an example of an obtuse angle.
If one angle of a triangle is greater than 90 degrees, it is known as an obtuse-angled triangle.
State whether the following statement is True or False: Polythene is an example of synthetic fibre.
Question 59
State whether the statement is True or False.
Two supplementary angles are always obtuse angles.