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Use a protractor and they are classified as follows:-
Acute angle: which is greater than 0 but less than 90 degrees
Right angle: which is 90 degrees
Obtuse angle: which is greater than 90 but less than 180 degrees
Reflex angle: which is greater than 180 but less than 360 degrees
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How does the measure of an angle help you classify shapes?
In triangles the angles can be all sorts of measurement but the three angles always add to 180 degrees. In quadrilaterals the angles usually measure to 90degrees in all four corners. But in things line trapezoids and parallelograms the angles differ. In a pentagon the angles are 120 degrees. All five of them.
What are the four ways to classify triangles by angle measure?
You can classify triangles by:Whether one of their angles is greater than 90 degrees, equal to 90 degrees, or all angles are less than 90 degreesWhether they have two or three congruent angles (equivalent to having two or three congruent sides)I think that's about it.
What do you write when classifying triangles?
there is many ways to write when classifying a triangle, you can classify it by its sides or angles. When you classify it by angles you can classify it by acute, obtuse, and right triangle. when classyfing it by sides its isosceles, equilateral, and scalene!
Are congruent angles angles that have measure?
Yes, congruent angles are angles that have the same measure.
Angles that have the same measure are?
Angles with the same angle measure are congruent.
