Definition of Angle
Angles are areas bounded yesteryear ii segments of lines in addition to dots. To mensurate the angle is unremarkably used alongside the Arc.
The angle higher upwards is given the angle a or ∠ ABC. To stimulate upwards one's heed the magnitude of the angle is unremarkably expressed yesteryear degrees (º) or radians.
Broadly speaking, the magnitude of an angle occurs into iii parts, including:
- The pointed corner is an angle of less than 90º.
- Angle-angled angle that is the angle of magnitude 90º.
- Blunt corner is an angle greater than 90º.
How to mensurate the magnitude of the angle alongside the arc
to mensurate the angle yesteryear using the arc tin sack last done inward the next way:- Put the angle attached alongside the 0º line on the bow to 1 of the segments to last measured at the angle.
- Place the catch betoken of the arc at the vertex in addition to the other segment is located within the bus.
- Measure a large angle using a scale on the bow.
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Referensi :
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