An isosceles triangle
Acute
180 > x > 90: obtuse 180: straight 360 > x > 180: reflex
An equilateral triangle, which has 3 angles of 60o.
No. An obtuse angle is just a term to describe an angle greater than 90 degrees and less than 180.
It is the regular equilateral triangle whose each exterior angle is 120 degrees
Acute
180 > x > 90: obtuse 180: straight 360 > x > 180: reflex
An equilateral triangle, which has 3 angles of 60o.
Each base angle is 62.5 degrees
The 3rd angle is: 180-55-80 = 45 degrees
A right angle triangle contains a 90 degree angle and 2 acute angles.
It is a triangle, one of whose angles is a right angle.
No. An obtuse angle is just a term to describe an angle greater than 90 degrees and less than 180.
zero
It is the regular equilateral triangle whose each exterior angle is 120 degrees
75,64,53
Once again the answer from The WikiAnswers Community is wrong. The triangle is an obtuse angled isosceles triangle. And, as inanimate objects, triangles are not usually prone to become pregnant!