Circumcenter of a Triangle by Tim Brzezinski
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In collections
Congruence (CO) Cluster
Congruence (Vol 2)
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
Gail LeBlancCCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
Triangle Theorems
Triangles: Points of Concurrency
This example demonstrates the circumcenter of a triangle by drawing perpendicular bisectors to help students discover its properties. Key mathematical concepts include perpendicular bisectors and circumcenter. GeoGebra commands used include Segment, LineBisector, and Polygon. Suitable for middle school and above students learning geometric construction.
GeoGebra Commands & Parameters
Segment(J, L) → aSegment(L, K) → bSegment(K, J) → cLineBisector(a) → gLineBisector(c) → hLineBisector(b) → iAngle(a, g) → αAngle(b, i) → βAngle(c, h) → γIntersect(g, a) → DIntersect(i, b) → EIntersect(h, c) → FSegment(J, D) → dSegment(D, L) → eSegment(L, E) → fSegment(E, K) → jSegment(K, F) → kSegment(F, J) → lIntersect(g, h) → CAngle(D, J, F) → δAngle(F, K, E) → εAngle(E, L, D) → ζPolygon(J, K, L) → poly1, l_1, j_1, k_1