![]() ![]() The curved edge of the protractor is divided into 180 equal parts. The best tool to measure angles in degrees is a protractor. Complete Angle - The Measurement of straight angle is 360°.Reflex Angle - Measurement of the reflex angle is greater than 180° and lesser than 360°.Straight Angle - The Measurement of straight angle is 180°.Acute Angle - Measurement of an obtuse angle is less than 90° and greater than 0°.Obtuse Angle - Measurement of an obtuse angle is greater than 90° and lesser than 180°.Right Angle - Measurement of the right angle is 90 degrees (90°).We can classify angles according to the number of degrees as follows: ![]() An angle whose measure is given in degrees is called an angle in degrees. One rotation is divided into 360 equal parts, and each part is called a degree. A complete circle rotates at 360° and angles can be measured at different angles showcasing different degrees such as 30°, 45°, 60°, and so on. The degree of an angle is measured by using a tool called a protractor. The unit of measure for an angle in mathematics is called a degree. ![]()
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