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What is the difference between vertex and angle?
An angle can be defined as two rays or two line segments having a common end point. The endpoint becomes known as the vertex(shared endpoints). An angle occurs when two rays meet or unite at the same endpoint.An angle can be identified as ABC or CBA. You can also write this angle as B which names the vertex (common endpoint of the two rays)The vertex (in this case B) is always written as the middle letter. It matters not where you place the letter or number of your vertex, it is acceptable to place the it on the inside or the outside of your angle.You can also name the vertex by using a number. For instance, B could also be named angle 3 if you choose to change the letter to a number. Angle ABC or CBA would be names A3C or C3A or 3.
Vertical angles must have?
have the same vertex. be congruent.
Are circles in the same plane and having the same center congruent circles?
Yes, it is. Circles that are in the same plane and having the same center are called congruent circles.
How many sides does a dodecagon have from one vertex?
A dodecagon has 12 sides. Whether or not from one vertex, the number of sides remains the same. Each vertex is formed when 2 sides meet.
Is median and the altitude of a triangle the same?
The median is a line from a vertex to the midpoint of the opposite line and an altitude is a line from a vertex to the opposite line which is perpendicular to the line. These are NOT the same thing in most triangles. The only time they could be the same is in an equilateral triangle.
