The angle of a door. Is it possible to express the amount by which a door is opened using an angle?

The angle of a door. Is it possible to express the amount by which a door is opened using an angle? Class 6

The angle of a door:

Is it possible to express the amount by which a door is opened using an angle? What will be the vertex of the angle, and what will be the arms of the angle?

Solution:

Yes, the vertex of the angle will be the point of intersection of the horizontal base and the thinner outer edge of the door.

The horizontal base and the thinner outer edge of the door will be the arms of the angle.

Question 2.

Vidya is enjoying her time on the swing. She notices that the greater the angle with which she starts the swinging, the greater the speed she achieves on her swing. But where is the angle? Are you able to see any angle? Class 6

Solution:

An angle is formed by the branch of the tree and the string or rope held by Vidya, as shown in the figure.