An obtuse angle is an angle that measures more than degrees, but less than degrees.
Acute angles can appear in triangles, parallelograms, and other geometric shapes.
Obtuse Angle
Test yourself on types of angles (right, acute, obtuse, flat)!
True or false?
One of the angles in a rectangle may be an acute angle.
Examples and Exercises with Solutions for Obtuse Angles
examples.example_title
True or false?
One of the angles in a rectangle may be an acute angle.
examples.explanation_title
One of the properties of a rectangle is that all its angles are right angles.
Therefore, it is not possible for an angle to be acute, that is, less than 90 degrees.
examples.solution_title
False
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Test your knowledge
Question 1
True or false?
The sum of two acute angles can be greater than 180 degrees?
Question 2
True or false?
An acute angle is smaller than a right angle.
Question 3
The sum of the adjacent angles is 180
Related Subjects
- Area of Equilateral Triangles
- Area of a Scalene Triangle
- Area of Isosceles Triangles
- Area of a right triangle
- Trapezoids
- Parallelogram
- Perimeter of a Parallelogram
- Kite
- Area of a Deltoid (Kite)
- Congruent Rectangles
- Acute triangle
- Obtuse Triangle
- Scalene triangle
- Identification of an Isosceles Triangle
- Triangle Height
- Sum and Difference of Angles
- Sum of Angles in a Polygon
- Types of Angles
- Angle Notation
- Angle Bisector
- Perpendicular Lines
- Exterior angle of a triangle
- Perimeter
- Triangle
- Angles In Parallel Lines
