Let the angles be a, b and c
There are 180 degrees in a triangle:
180-(a+b) = c
180-(a+c) = b
180-(b+c) = a
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It is: 180-interior angle = exterior angle
That's not possible.Two interior angles of a triangle can't add up to 261°, because all three of the interior anglesin any triangle always add up to 180°.
Since the triangle has two identical angles, it will be an isosceles triangle. Also the third angle equals 110°, so it is an obtuse triangle, because 110° is greater than a right angle (90°). The sum of all interior angles in a triangle is 180°, so we know two of the angles are 35° and 35°, so the third angle is 180° - 35°- 35° = 110°
An exterior angle of a triangle is equal in measure to the sum of the other two interior angles.
angle dcf and angle dfc