**An obtuse angle is an angle that measures more than****$90°$**** degrees, but less than** **$180°$**** degrees.**

Acute angles can appear in triangles, parallelograms, and other geometric shapes.

**An obtuse angle is an angle that measures more than****$90°$**** degrees, but less than** **$180°$**** degrees.**

Acute angles can appear in triangles, parallelograms, and other geometric shapes.

True or false

One of the angles of the rectangle can be an acute angle.

True or false

One of the angles of the rectangle can be an acute angle.

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.

False

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
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- Kite
- Area of a Deltoid (Kite)
- Congruent Rectangles
- Acute triangle
- Obtuse Triangle
- Scalene triangle
- Triangle Height
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- Types of Angles
- Angle Notation
- Angle Bisector
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