63
In any triangle exterior angle plus interior angles = 180 degrees
A right angle triangle.
Each base angle is 62.5 degrees
If two angles of a triangle each measure 55 what is the measure of the third angle?
The missing angle measure is 100 degrees.
*the sum of the measure of the angle in triangle is 180 *for any triangle, the measure of an exterior angle is equal to the sum of the measures of its two remote interior angles
63
96˚all angles to a triangle equals 180˚
Since the sum of the measures of the angles in a triangle is 180°, and a right angle has a measure of 90°, it follows that the other two angles together have a measure of 90°.
The other acute angle in that triangle is 40 degrees.
77. The sum of the three angles in a triangle equal the sum of 180 degrees
two opposite interior angles.
If the angles A, B and C forms a triangle, then angle A is 111 degrees.
In any triangle exterior angle plus interior angles = 180 degrees
If all three angles of a triangle measure less that 90 degrees (if all three angles are acute), the triangle is an acute triangle. A triangle that has a right angle (an angle the measures exactly 90 degrees) is a right triangle. (The other 2 angles will be acute angles.) A triangle that has an angle that is greater than 90 degrees (an obtuse angle), is an obtuse triangle. (The other 2 angles will be acute angles.)
Let the second angle of the triangle be A. Then angle 1 = 2A : and angle 3 = 3A - 12 The internal angles of a triangle total 180° therefore :- 2A + A + (3A - 12) = 180 6A - 12 = 180 : 6A = 192 : A = 32 The angles measure 64° , 32° and 84° .