An isosceles triangle
When the angle = 90 degrees, it is a Right Angle. When the angle is greater than 90 degrees, it is an obtuse angle.
An obtuse angle
An equilateral triangle, which has 3 angles of 60o.
Acute
An isosceles triangle
When the angle = 90 degrees, it is a Right Angle. When the angle is greater than 90 degrees, it is an obtuse angle.
An obtuse triangle
An obtuse angle
Each base angle is 62.5 degrees
An equilateral triangle, which has 3 angles of 60o.
Acute
It is the regular triangle whose exterior angles are greater than the regular heptagon
The 3rd angle is: 180-55-80 = 45 degrees
No. An obtuse angle is just a term to describe an angle greater than 90 degrees and less than 180.
An obtuse triangle has one obtuse angle(an angle greater than 900 ) and remaining two acute angles whose measurement is less than 90 degrees. Foe more details , contact at saqibahmad81@yahoo.com
A right angle triangle contains a 90 degree angle and 2 acute angles.