Bisectors in Triangles

The figure is an example of a(n) ...

• altitude 
• perpendicular bisector
• midsegment
• angle bisector

Define: INCENTER OF A TRIANGLE

• the intersection point of the three angle bisectors of a triangle 
• when three or more lines intersect at a single point 
• the intersection point of the three perpendicular bisectors of a triangle 
• the point of intersection of three or more lines 

Tags

CCSS.HSG.C.A.3

Name the point of concurrency shown.

• Circumcenter
• Incenter
• Supercenter
• Neither

Tags

CCSS.HSG.C.A.3

Name the point of concurrency shown.

• Circumcenter
• Incenter
• Supercenter
• Neither

Tags

CCSS.HSG.C.A.3

The figure is an example of a(n) ...

• angle bisector
• perpendicular bisector
• median
• midsegment

HK and JK are angle bisectors of the triangle. Find the distance from K to side GJ.

• 50
• 16
• 21
• not enough information

Tags

CCSS.HSG.C.A.3

1.  If m<LJK = 28°, what is m<MLK?

• 56
• 112
• 62
• 124

Tags

CCSS.8.G.A.5

1.  PQ  is the perpendicular bisector of MN. What is QN?

• 7
• 14
• 10.5
• 28

Tags

CCSS.HSG.CO.C.9

Define: CIRCUMCENTER OF A TRAINGLE

• the intersection point of the three perpendicular bisectors of a triangle 
• when a circle passes through the three vertices of a triangle 
• the point of intersection of three or more lines 
• the intersection point of the three angle bisectors of a triangle 

Tags

CCSS.HSG.C.A.3

The circumcenter is _________________ in the triangle.  

• always
• sometimes
• never
• definitely

Tags

CCSS.HSG.C.A.3