Classification of Triangles Based on Angles
What is a triangle in which each angle is less than 90 degrees called?
Q. If two angles of a triangle are 30∘, 120∘, then the triangle will be
- Right angle triangle
- Scalene triangle
- Equilateral triangle
- Isosceles triangle
If an angle measures 180 degrees, what is it called?
Q. In a right-angled triangle, one of the angles must be equal to __.
- 180 degrees
- 90 degrees
- 120 degrees
- 145 degrees
Q. A triangle has two angles measuring 53∘ and one angle measuring 74∘. What type of triangle is this?
- Right angled
Find the vertical angle of ΔABC.
The angles of a triangle can be 36o, 45o and 99o
Q. The triangle shown below is an isosceles right-angled triangle.
In a right angled triangle, the angles other than the right angle are _______ .
greater than right angles
A triangle can have all the three angles greater than 60∘.