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Does a semi circle have obtuse angles?
In geometry, angles are created by the intersection of lines or of line segments. A curve is not an angle, and a semi-circle (or complete circle) consists only of one continuous curve. There are no angles as such. If you like, you can conceive of a curve as a collection of infinitely many angles. But you can never see them individually, they are only seen as a group. They are not obtuse (or acute) angles in the normal sense of the term.
How many corners in a semi-circle?
A semi-circle is a 180 degree half circle. A semi-circle does not have any corners. A circle does not have corners either. There are points of beginning and end in a semi-circle. In a circle the point of beginning is the same as the ending point.
How is an angle in the semicircle be a right angle?
A semi circle is made up of two right angles.
Is a semi circle an irregular shape?
A semi-circle is actually a specific type of shape known as a "regular" shape. A regular shape is one that has all sides and angles equal. In the case of a semi-circle, it has a curved side and a straight side, but the curved side is a perfectly round half-circle, making it a regular shape. Irregular shapes, on the other hand, do not have sides or angles that are equal.
How many acute angles does a circle have?
None: a circle has no angles, and certainly no acute ones.
