A right angle triangle can only have 1 right angle of 90 degrees and its 3 interior angles add up to 180 degrees
The sum of two complementary angles is 90 degrees. The three angles of a triangle add up to 180 degrees. Hence, if you subtract the complementary angles from 180, you have the measure of the third angle: 180 - 90 = 90 (this is the third angle) As a rule, if two angles of a triangle are complementary, the third angle is a right angle (90 deg). The three angles together form a right triangle.
Not necessarily. The two equal angles in an isosceles triangle must both be acute angles. If they were right angles or obtuse angles then a triangle could not be formed. If the two equal angles are less than 45° each then the third angle is an obtuse angle. If they are both 45° then the third angle is a right angle and if they are both greater than 45° then the third angle is an acute angle.
Sum of all angles in a triangle is equal to 180o. If two angles are 60o then the third angle is: Third angle = 180o - (60o + 60o) = 60o. But a right triangle is one having one angle equal to 90o but in this case there is no angle equal to 90o. So there is no right triangle which has two angles equal to 60o.
A triangle has at two acute angles and the third angle is either an acute angle, a right angle or an obtuse angle.
...a right triangle.
If Y is the right angle then the third angle is indeterminate. Otherwise it is 90 - Y degrees.
The third angle has to be 90 degrees so it would be a right angle triangle.
If two angles are right angles, their sum is 90o + 90o = 180o leaving nothing for the third angle. There is no triangle with two right angles.
A triangle cannot have two right angles. Triangles angles should add up to 180. There are three angles. If there are 2 right angles, there would be no third angle, therefore, no triangle. XD
The sum of interior angles of any triangle is 180 degrees. A right triangle is defined as a triangle having one angle that measures 90 degrees. Therefore, it follows that the sum of the remaining two angles will be 90 degrees 90-68=22 The third angle is 22 degrees
The other acute angle in that triangle is 40 degrees.
Two angles of a triangle add up to 65°. What is the measure of the third angle?