Math and Arithmetic
Algebra
Geometry

# How can you use a right angle to determine the classiacation of another angle?

If the other angle is smaller than the right angle, it is an acute angle.

If the other angle is the same as the right angle, it is a right angle.

If the other angle is bigger than the right angle but smaller than two right angles, it is an obtuse angle.

If the other angle is the same as two right angles, it is a straight angle.

If the other angle is bigger than two right angle but smaller than four right angles, it is a reflex angle.

After four right angles, the other angle starts back at being an acute angle.

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## Related Questions

An acute angle is smaller than a right angle.An obtuse angle is larger than a right angle.^_^

Determine if an angle is a right angle by using a protractor.

YOU can use a right angle by making it small to make it acute or you can make it big so it is obtuse

So basically , you have an right angle and another angle . You draw an right angle over the angle your looking at and if its smaller than the right angle then its an acute angle . If its bigger than the right angle then its a obtuse angle . GoodLuck!(;

It is another right angle of 90 degrees because supplementary angles add up to 180 degrees.

If a triangle has a right angle, it is a right triangle.

If one of the angles in a triangle is exactly 90 degrees, then it is a right-angle triangle.

Right angle E. The vertex of any angle can also be used to name the angle.

When lines met or cross at a right angle are perpendicular lines.

It is called an obtuce angle because it looks like this right?: -------------------------_------------------------ or a right angle if it looks like this: ! ! ! ! ! ! ! ---------------------------------

You use the right angle next to an acute angle perhaps and you see that when a angle is closer together it is an acute angle and if it is spread apart or farther apart from a right angle it is an obtuse angle. If the angle is a straight line and doesn't look bent like a right angle it is a straight angle.

A square has four right angles. A right angle is an angle of 90 degrees. Right angles have two lines that are perpendicular to one another.

A right angle is 90 degrees if an angle is wider than 90 it is obtuse if it is less than 90 it is an acute angle.

By definitions: two levels of them. If it is has a right angle, it must be 90 degrees. If it is a rectangle it must have right angles, otherwise it is not a rectangle.

If the angle is a lone, random angle, I believe you would need a protractor to determine the precise size of the angle (in "degrees"). However, you could, in this case, roughly guess as to whether the angle is acute, obtuse, or right (if the little rectangle is shown in the angle). Of course, if an angle is in a position where one can determine its measure using known postulates or theorems, finding the size of this angle becomes much easier. For example, if you know the measure of one angle and you must determine the measure of another angle, but these two angles are vertical angles, or are corresponding angles (by the corresponding angles postulate), you can indeed determine the measure of this angle without a protractor. Additionally, another example is that if you knew a pair of angles were either supplementary angles, complementary angles, or a linear pair, and you were given the measure of one of these angles, you could determine the measure of the other angle without a protractor. Therefore, it depends on the angle you're looking at.

Any two angles that total 90 degrees will make up a right angle. Two 45 degree angles will make a right angle - 90 degrees. Also an angle of 30 degrees and another angle of 60 degrees will make up a right angle.

if the angle is wider than a right angle its obtuse if the angle is smaller its acute like small things are cute that's how i remember it:)

Are you thinking of the adjacent and the hypotenuse in a right angle triangle. **it's angle, not angel.

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