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A circle has an infinite number of angles of rotational symmetry.
No. All vertical angles will add to an infinite number of degrees, not just 180!
The number of all possible angles is infinite and no figure can show them all.
I may be wrong, but since a an oval has no sides, like a circle, then it should have and infinite number. I think any shape that has no sides, angles, corners, etc. has an infinite number. (This applies to 2D figures)
The size of the circle is immaterial, there are an infinite number of plottable angles.
A circle has an infinite number of angles of rotational symmetry.
An infinite number, because the number of angles available is infinite.
Yes.
An oval has no exterior angles (or an infinite number depending on your point of view !)
An oval has no exterior angles(or an infinite number depending on your point of view!)
There is an infinite number of complementary angles. Complementary angles are all angles that add up to 90 degrees, such as two 45 degree angles.
No. All vertical angles will add to an infinite number of degrees, not just 180!
The number of all possible angles is infinite and no figure can show them all.
I may be wrong, but since a an oval has no sides, like a circle, then it should have and infinite number. I think any shape that has no sides, angles, corners, etc. has an infinite number. (This applies to 2D figures)
The size of the circle is immaterial, there are an infinite number of plottable angles.
Any regular polygon. There are an infinite number of them.
If you mean "the last number", there is no such thing; you can always add one more. Even infinite numbers - numbers that describe the magnitude of infinite sets - don't have a "last number"; you can always find a larger infinite number. Specifically, if you have a certain infinite number, 2 to the power of that infinite number will give you a larger infinity.