Angle Bisectors in Triangles Theorem

The angle-bisector theorem can be applied in

• isosceles triangles only

• any type of triangle

• right-angled triangles

• equilateral triangles only

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

• angle bisector

• perpendicular bisector

• median

• midsegment

• 1
• 2
• 3
• 4

• 1
• 2
• 3
• 4

Find BD.

• BD = 20

• BD = 2

• BD = 4

• BD = 10

What theorem would be used to find BD?

• Perpendicular Bisector Theorem

• Converse of Perpendicular Bisector Theorem

• Angle Bisector Theorem

• Converse of Angle Bisector Theorem

What theorem would be used to find the measure of CAD?

• Perpendicular Bisector Theorem

• Converse of Perpendicular Bisector Theorem

• Angle Bisector Theorem

• Converse of Angle Bisector Theorem

Find m< JKM

• 90

• 76

• 38

• 83

• x=67
• x=43
• x=55
• x=12

• A
• B
• C
• D