Question

4. name the different types of angles and define them
answer :​

Answer 1

Step-by-step explanation:

Different Types of Angles

Angles are classified based on:

Magnitude

Rotation

Classification of angles based on their magnitude

There are seven types of angles based on their degree measurement. They include:

Zero Angles

Acute Angles

Right Angles

Obtuse Angles

Straight Angles

Reflex Angles

Complete Angle

– Zero Angle

A zero angle (0°) is an angle formed when both the angle’s arms are at the same position.

– Acute Angle

An acute angle is an angle that is more than 0° but less than 90°. Common examples of acute angles include: 15°, 30°, 45°, 60°, etc.

∠ XYZ is greater than 0° but less than 90° (acute angle)

– 90 Degree Angle

A 90-degree angle, also known as a right angle, is an angle whose measure is equal to 90° is called a right angle. Right angles are represented by drawing a small square box between the arms of an angle.

There will be a whole article on right triangles in the next section (of Triangles).

– Obtuse Angle

An obtuse angle is a type of angle whose degree measurement is more than 90° but less than 180°. Examples of obtuse angles are: 100°, 120°, 140°, 160°, 170°, etc.

∠ PQR is an obtuse angle because it’s less than 180° and greater than 90°.

– Straight Angle

As the name suggests, a straight angle is an angle whose measure is equal to 180° (straight line)

– Reflex Angle

Reflex angles are the types of angles whose degree measurement is more than 180° but less than 360°. Common examples of reflex angles are; 200°, 220°, 250°, 300°, 350°, etc.

– Complete Angle

A complete angle is equal to 360°. 1 revolution is equal to 360°.

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Answer 2

Answer:

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