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A right angle is an angle whose measure is exactly 90 degrees. Continuing around the circle, next is the obtuse angle. An obtuse angle is an angle whose measure is in between 90 and 180 degrees. The last major kind of angle is the straight angle. A straight angle is an angle that measures exactly 180 degrees. Thus the name - the two rays form a straight line. A negative angle is also possible. This just means that you go clockwise instead of counterclockwise.
SOURCE: http://library.thinkquest.org/2647/geometry/angle/measure.htm
that website also has lots of more information on angles!
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What is acute or obtuse in geometry?
Acute angles measure greater than 0 degrees and less than 90 degrees. Obtuse angles measure greater than 90 degrees and less than 180 degrees.
How many degrees are there in acute angles?
Acute angles are ones which measure less than 90 degrees.
What type of triangle has three angles that each measure less than 90 degrees?
An acute triangle is one in which all interior angles are less than 90 degrees.
How many angles are less than a right angle?
An angle less than a right angle is considered an acute angle. Acute angles are defined as angles that measure greater than 0 degrees and less than 90 degrees. Therefore, there are an infinite number of angles that are less than a right angle, as any angle between 0 and 90 degrees (exclusive) would fall into this category.
Can vertical angles be reflexive?
A reflex angle is one whose measure is greater than 180 degrees but less than 360 degrees. Vertical angles can be reflexive.
Measures less than 90 degrees?
Angles that measure less than 90 degrees are called acute angles. Right angles measure exactly 90 degrees and obtuse angles are greater than 90 degrees.
What is acute or obtuse in geometry?
Acute angles measure greater than 0 degrees and less than 90 degrees. Obtuse angles measure greater than 90 degrees and less than 180 degrees.
How many angles measure less than 90 degrees?
there are an infinite amount of angle that measure less than 90 degrees; however, there are only 89 whole angles that measure less that 90.
What are angles that measure more then 90 degrees called?
Angles greater than 90 but less than 180 degrees are obtuse angles Angles greater than 180 but less than 360 degrees are reflex angles
How many degrees are there in acute angles?
Acute angles are ones which measure less than 90 degrees.
Kinds of angles according to measure?
Angles that are less than 90 degrees are acute angles. Angles that are 90 degrees are right angles, and angles that are greater than 90 degrees are obtuse angles.
What is anoher measure for an angle that measures 283 degrees?
Angles greater than 180 but less than 360 degrees are reflex angles
Is a 47 degree angle acute right or obtuse?
A 47-degree angle is classified as an acute angle. Acute angles are those that measure less than 90 degrees, while right angles measure exactly 90 degrees and obtuse angles measure more than 90 degrees but less than 180 degrees. Therefore, since 47 is less than 90, it is acute.
Acute angles measure what?
Greater than 0 but less than 90 degrees.
An obtuse angles measure is?
Greater than 90 but less than 180 degrees
How many angles less than a right angle does a pentagon?
A pentagon can have up to four angles which measure less than 90 degrees.
What type of triangle has three angles that each measure less than 90 degrees?
An acute triangle is one in which all interior angles are less than 90 degrees.
