The value of the exterior angle of a triangle is equal to the sum of __?
the other two exterior angles of a triangle
all the interior angles of a triangle
the value of external angles of a triangles cannot be found
the two opposite interior angles
The external angle axiom states that the value of external angle is the sum of the opposite interior angles.
Fill up the blanks to make the following statements true:
(a) Sum of the angles of triangle is ___________.
(b) An exterior angle of a triangle is equal to the sum of ___________ opposite angles.
(c) An exterior angle of a triangle is always ___________ than either of the interior opposite angles.
(d) A triangle cannot have more than ___________ right angle.
(e) A triangle cannot have more than ___________ obtuse angle.
An exterior angle of a triangle is equal to the sum of two _________ angles