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

**Plane angle**

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 °**

Question 1

True or false?

One of the angles in a rectangle may be an acute angle.

Question 2

True or false?

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

Question 3

Does the drawing show an adjacent angle?

Question 4

Does the drawing show an adjacent angle?

Question 5

Does the drawing show an adjacent angle?

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

True or false?

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

False.

Does the drawing show an adjacent angle?

Not true

Does the drawing show an adjacent angle?

Not true

Does the drawing show an adjacent angle?

Not true

Question 1

Does the drawing show an adjacent angle?

Question 2

Does the drawing show an adjacent angle?

Question 3

Does the drawing show an adjacent angle?

Question 4

If the two adjacent angles are not equal to each other, then one of them is obtuse and the other acute.

Question 5

Does the drawing show an adjacent angle?

Does the drawing show an adjacent angle?

Not true

Does the drawing show an adjacent angle?

Not true

Does the drawing show an adjacent angle?

Not true

If the two adjacent angles are not equal to each other, then one of them is obtuse and the other acute.

True

Does the drawing show an adjacent angle?

True

Question 1

Which of the following angles is a plane angle?

Question 2

Which figure shows a right angle?

Question 3

Which of the following angles is obtuse?

Question 4

Which of the following angles is obtuse?

Question 5

Which of the following angles is obtuse?

Which of the following angles is a plane angle?

Which figure shows a right angle?

Which of the following angles is obtuse?

Which of the following angles is obtuse?

Which of the following angles is obtuse?

91°