An exterior angle of a triangle is equal to the sum of the two interior opposite angles.
True
False
T ; Because it is supplementary to its adjacent interior angle which is also supplementary to those two.
An exterior angle of a triangle is equal to 100∘ and two interior opposite angles are equal. Each of these angles is equal to:
The exterior angle of a triangle is equal to the sum of non-adjacent interior angles. Say true or false.
The exterior angle of a triangle is equal to the sum of all the interior angles of the triangle. State whether true or false.
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.