There are several different special lines for triangles There are several different special lines for triangles midsegment There are several different special lines for triangles midsegment altitude There are several different special lines for triangles midsegment altitude median There are several different special lines for triangles midsegment altitude perpendicular bisector median There are several different special lines for triangles midsegment altitude perpendicular bisector median angle bisector There are several different special lines for triangles Each of these has its own defintion midsegment altitude perpendicular bisector median angle bisector A midsegment of a triangle A midsegment of a triangle A B C Begins at the midpoint of a side A midsegment of a triangle A B C midpoint Begins at the midpoint of a side A midsegment of a triangle A B C Begins at the midpoint of a side and goes to the midpoint A midsegment of a triangle of another side A B C Begins at the midpoint of a side and goes to the midpoint A midsegment of a triangle of another side A B C midpoint Begins at the midpoint of a side and goes to the midpoint A midsegment of a triangle of another side A B C Begins at the midpoint of a side and goes to the midpoint A midsegment of a triangle of another side A midsegment B C If DE is a midsegment then AD ≅ ? EC BE DB BC A D B E C An altitude of a triangle A B C An altitude of a triangle starts at a vertex A B C An altitude of a triangle starts at a vertex A vertex B C and is perpendicular to the opposite side An altitude of a triangle starts at a vertex A B C and is perpendicular to the opposite side An altitude of a triangle starts at a vertex A B C and is perpendicular to the opposite side An altitude of a triangle starts at a vertex A B C altitude BD is perpendicular to... AC BC AB DB A D B C A median of a triangle A B C starts at the vertex A median of a triangle A vertex B C starts at the vertex A median of a triangle and goes to the midpoint of the opposite side A B C starts at the vertex A median of a triangle and goes to the midpoint of the opposite side A midpoint B C starts at the vertex A median of a triangle and goes to the midpoint of the opposite side A B C starts at the vertex A median of a triangle and goes to the midpoint of the opposite side A B C median BC AB AD AC If BD is a median then DC ≅ ? A D B C A perpendicular bisector A B C A perpendicular bisector start at the midpoint of a side A midpoint B C A perpendicular bisector and is perpendicular start at the midpoint to that side of a side A B C A perpendicular bisector and is perpendicular start at the midpoint to that side of a side A B C A perpendicular bisector and is perpendicular start at the midpoint to that side of a side A B perpendicular C bisector median ? altitude ? perpendicular bisector ? midsegment ? An angle bisector A B C An angle bisector starts at a vertex A B C An angle bisector starts at a vertex A vertex B C An angle bisector starts at a vertex and bisects the angle A B C An angle bisector starts at a vertex and bisects the angle A B C An angle bisector starts at a vertex and bisects the angle A B angle bisector C altitude midsegment median perpendicular bisector angle bisector Fill in the missing information midpoint ? vertex vertex ? midpoint vertex Starts opposite side ? midpoint midpoint Ends |