An angle is formed when two straight lines meet at a set point. In other words, an angle is the inclination to each other of two straight lines, which meet at point as shown.
![grrr](https://i0.wp.com/fixpiecdn.files.wordpress.com/2020/07/grrr.png?ssl=1)
Types of Angles
The unit of measurement of angles is the degree, and the instrument used to measure the value or magnitude of an angle is called a protactor.
A right angle is an angle measuring 90°. Two lines or line segments that meet at a right angle are said to be perpendicular.
An acute angle is an angle measuring between 0 and 90°.
An obtuse angle is an angle measuring between 90° and 180°.
A straight angle is a straight line and it measures 180°.
A reflex angle is an angle measuring between 180° and 360°.
Complementary angles definition is either of two angles that added together produce an angle of 90°.
Supplementary angle is when the sum of two angles located side by side is equal to 180°.
![mag](https://i2.wp.com/fixpiecdn.files.wordpress.com/2020/07/mag.png?ssl=1)
ASSESSMENT
- What is an angle?
- List 5 types of angles.
- What is an angle measuring between 180° and 360°
- What is the unit of measurement of an angle?
- What is the instrument used for measuring angles?
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