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Is 61 degrees a obtuse angle?
No. There are 5 types of angles: Acute, Obtuse, Straight, Reflex, and Round (or perigon). Acute is any angle below 90 degrees. Obtuse is any angle above 90, but below 180. Straight is any angle that reaches 180 degrees exactly (a straight line). Reflex is any angle above 180 degrees, but below 360 degrees. Round (perigon) is an angle where, from the starting points comes arount to a full revolution. So, a 61 degree angle is below 90 degrees, therefore it is acute.
What type of angle is a 164 degree angle?
Well, honey, a 164 degree angle is classified as an obtuse angle. It's like the awkward middle child of angles, not quite reaching the drama of a straight angle or the sass of a reflex angle. So there you have it, a 164 degree angle is just hanging out in the obtuse corner, doing its own thing.
Are the angles on a heptagon acute obtuse or right?
They can be acute, obtuse or right - or even reflex. The only condition is that their sum is 900 degrees.
How many obtuse and acute angles in a decagon?
There can be 10 obtuse angles. If there are no reflex angles there can by up to three acute angles (I think).
What is an acute angle and an obtuse angle?
Zero to 90 = acute 90 = right 90 to 180 = obtuse 180 = straight
