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.