Angle Bisector Side

Find the missing length.

• 25

• 15

• 6

• 16

Find the missing length.

• 25

• 20

• 21

• 15

Find the missing length.

• 12

• 10

• 16

• 5

Solve for x.

• 10

• 9

• 6

• 5

• Definition of Congruent Angles

• Definition of Angle Bisector

• Angle Addition Postulate

• Definition of Right Angle

If DB bisects ∠ABC, then ∠ABD = ∠CBD.

• Definition of Congruent Angles

• Definition of Angle Bisector

• Angle Addition Postulate

• Definition of Right Angle

• A
• B
• C
• D

Which of the following below would fill in the Reasons in the proper order?

• Given; Definition of bisect; Transitive; Given, Definition of bisect

• Given; Transitive; Given; Definition of bisect; Definition of bisect

• Given; Definition of bisect; Given; Definition of bisect; Transitive

Given: PL is the angle bisector of <RPQ
What can you conclude by definition of angle bisector?

• m<RPL = m<LPQ

• <RPL + m<LPQ = m<RPQ

• <RPQ is acute

• m<RPQ = 90

Solve for x.

• 10

• 5

• 7

• 4