Question 53

Fill in the blanks to make the statement true.

The supplement of an obtuse angle is always ___ angle.

Q.

Question 56

Fill in the blanks to make the statement true.

An angle which is half of its supplement is of ___

Q.

Question 51

Fill in the blanks to make the statement true.

The sum of an exterior angle of a triangle and its adjacent angle is always ___.

Q.

Question 55

Fill in the blanks to make the statement true.

In an isosceles triangle, two angles are always ___

Q. Fill in the blanks to make the following statements true:

(i) Sum of the angles of a triangle is ....

(ii) An exterior angle of a triangle is equal to the two ....... opposite angles.

(iii) An exterior angle of a triangle is always ......... than either of the interior opposite angles.

(iv) A triangle cannot have more than ...... right angles.

(v) A triangles cannot have more than ......obtuse angles.

Q.

Question 22

Fill in the blanks to make the statements true.

In the given figure,

a) $\angle AOD$ is a/an______angle.

b) $\angle COA$ is a/an______angle.

c) $\angle AOE$ is a/an______angle.