**The plane angle is the one that measures** **$180°$****.**

Which of the 4 angles shown in the figure corresponds to the description of the plane angle?

**The correct answer is C) 180 °**

**The plane angle is the one that measures** **$180°$****.**

Which of the 4 angles shown in the figure corresponds to the description of the plane angle?

**The correct answer is C) 180 °**

True or false?

The sum of two acute angles can be greater than 180 degrees?

**If you are interested in learning more about other angle topics, you can enter one of the following articles:**

- Angle Notation
- Sides, Vertices, and Angles
- Bisector
- Right Angle
- Adjacent Angles
- Vertically Opposite Angles
- Alternate Angles
- Corresponding Angles
- Sum of the Angles of a Triangle
- Sum of the Angles of a Polygon
- Sum and Difference of Angles

**On the website of** **Tutorela**** you will find a variety of articles on mathematics.**

True or false?

One of the angles in a rectangle may 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?

An acute angle is smaller than a right angle.

Question 2

Does the drawing show an adjacent angle?

Question 3

Does the drawing show an adjacent angle?

Related Subjects

- Area of Equilateral Triangles
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- Area of a right triangle
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- Kite
- Area of a Deltoid (Kite)
- Congruent Rectangles
- Acute triangle
- Obtuse Triangle
- Scalene triangle
- Identification of an Isosceles Triangle
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- 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
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- Angles In Parallel Lines