Question

Give three examples of angles from your surroundings.

Answer 1

Hint: Here, we have to illustrate three examples of different angles from our surroundings. An angle can be defined as the figure formed by two rays meeting at a common endpoint. Angles are classified into six types as acute angles, right angles, obtuse angles, straight angles, reflex angles, and complete angles.

Complete step-by-step answer:
There are different types of angles. They are:
Acute angle: An acute angle is an angle that measures less than 90 degrees.
Examples:
If we slice a watermelon into 6 pieces, each slice of a watermelon makes an acute angle.
A ladder sliding on a wall makes an acute angle with the ground.
The angle between the index finger and the middle finger is an acute angle.
Right angle: A right angle is an angle that measures exactly 90 degrees.
Examples: The corner of a wall makes a right angle with the ground.
The letter L has a right angle.
The corners of a window makes a right angle.
Obtuse angle: An obtuse angle is an angle that measures greater than 90 degrees.
Examples: A Recliner sofa has an obtuse angle.
The roof of a house has an obtuse angle on top.
The stairs of a house has an obtuse angle.
Straight angles: A straight angle is an angle that measures exactly 180 degrees.
Examples: Angle formed in a see-saw is a straight angle.
A straight stick measures a straight angle.
The flat surface of a ground measures a straight angle.
Reflex angle: A reflex angle is an angle that measures greater than 180 degrees.
Examples: If we cut a piece of cake which makes an acute angle from the whole, then the angle made by the rest of the cake makes a reflex angle.
The Chinese Fan makes a reflex angle.
A Pac man measures a reflex angle.
Complete angles: A complete angle is an angle that measures exactly 360 degrees.
Examples: An angle made by the Bangle at the centre measures a complete angle.
An angle made by the wheel is a complete angle.
An angle made by the coin measures a complete angle.

Note: Instead of using different examples for different angles, we have a common example which shows all the angles at different positions. A common example is a wall clock which measures an acute angle at $$2^{\prime }0$$ clock, a right angle at $$3^{\prime }0$$ clock, a obtuse angle at $$5^{\prime }0$$ clock, a straight angle at $$6^{\prime }0$$ clock, a reflex angle at $${12}^{\prime }10$$ p.m., a complete angle at $${12}^{\prime }0$$ clock respectively. These angles represent the angles between the minute hand and hour hand.