Bisectors of Triangles 2nd Period

What would you measure to determine DE is a perpendicular bisector?

• BD, DC
• angle EDC
• angle EDC & BD & DC
• angle ABC & BC

Tags

CCSS.HSG.GPE.B.5

The perpendicular bisector intersects a side of the triangle.

• always
• sometimes
• never

Tags

CCSS.HSG.CO.C.9

What is the length of DC

• 4
• 1
• 2
• 3

Tags

CCSS.HSG.CO.C.10

Find m< JKM

• 90
• 76
• 38
• 83

Tags

CCSS.HSG.CO.C.9

Find LK

• 3
• 5
• -3
• 6

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

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

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

D is the circumcenter, find FJ

• 15
• 16
• 17
• 19

Tags

CCSS.HSG.C.A.3