What are the situations where obtuse angles are made?

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Hands of a wall clock pointing 1350 hours.

Angle between the keyboard and screen of a laptop while the laptop is under use.

While opening a cupboard of almirah, the angle of doors with the hinge as vertex.

All of the above

answer is D.

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Detailed Solution

Concept- We will try to find 5 situations from our day-to-day life experiences.
Also, we have to know about an Obtuse Angle.
An Angle is the space (usually measured in degrees) between two intersecting lines or surfaces or rays, at the point where they meet.
The Intersection Point is known as Vertex of the Angles
Obtuse Angle – An angle that ranges from (90 and 180)°
Out of the innumerous situations of an obtuse angle being formed, these are 5.
1) Hands of a wall clock pointing 1350 hours.
2) Angle between the keyboard and screen of a laptop while the laptop is under use.
3) While opening a cupboard of almirah, the angle of doors with the hinge as vertex.
4) All of the above
Hence, the correct answer is 4) All of the above.

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