Perpendicular bisector: A line or segment that divides a side of a triangle into two equal parts at a 90° angle. It passes through the midpoint of the side and is perpendicular to it.
Circumcenter: The point where the three perpendicular bisectors of a triangle intersect. It is equidistant from all three vertices of the triangle.
Midpoint: The point that divides a segment into two equal parts. It is the center of the segment.
Perpendicular line: A line that intersects another at a 90° angle.
Concurrent lines: Three or more lines that intersect at a single point; in this context, the perpendicular bisectors are concurrent at the circumcenter.
The perpendicular bisectors of the sides of a triangle are always concurrent; their intersection point is called the circumcenter.
The circumcenter can lie inside, on, or outside the triangle depending on the triangle type:
1. What is a perpendicular bisector in geometry?
2. What is the main property of perpendicular bisectors in a triangle?
3. Where is the circumcenter located in a right triangle?
Perpendicular bisectors — definition?
Lines dividing sides into two equal parts at 90°.
Perpendicular bisector — definition?
Divides a side into two equal parts at 90°.
Triangle centers — role?
Key points where special lines intersect, defining triangle properties.
Circumcenter — role?
Intersection of perpendicular bisectors, center of circumscribed circle.
Angle bisector theorem — statement?
Bisects opposite side proportionally to adjacent sides.
Triangle centers — examples?
Circumcenter, incenter, centroid, orthocenter.
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