Measure of an Angle
The measure of an angle is determined by amt. of rotation from initial side to terminal side
In geometry, an angle is a measure of the amount of turn between two intersecting lines. It’s typically measured in degrees, and angles are commonly found in shapes and figures like triangles, quadrilaterals, and circles.
The standard unit of measurement for angles is degrees, where one complete rotation is equal to 360 degrees. A right angle, which forms a perfect L shape, is 90 degrees. An angle that measures less than 90 degrees is called an acute angle, and an angle that measures more than 90 degrees but less than 180 degrees is called an obtuse angle.
Angles can be measured using a protractor, which is a tool that looks like a half-circle with degree markings along its curved edge. To measure an angle, align the baseline of the protractor with one of the lines that forms the angle, and then rotate the protractor until the other line is aligned with a degree marking. The degree measure where the second line intersects the protractor is the measure of the angle.
It’s important to use the correct unit of measurement and to measure angles accurately to ensure that geometric calculations and constructions are correct.
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