AB AC = BD DC If AD is and angle bisector of âABC then If AD is ...
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Angle Bisector Proportionality Theorem
Name _________________________________ Date ___________________ Period _______
An angle bisector in a triangle separates the opposite side into segments that have the same ratio as the other two sides. A
If AD is and angle bisector of ∆ABC then
B
BD
D
DC
AB BD = AC DC
C
Determine the value of x.
If AD is and angle bisector of ∆ABC
A
24
18
B
x
D
12
C
Determine the value of x.
8 12 2x
2x + 6
Determine the value of x.
12 8
x
10 – x 10
© iTutoring.com Angle Bisector Proportionality Theorem Pg. 2
12 – x
Determine the value of x.
14 12 x
10
An angle bisector in a triangle separates the opposite side into segments that have the same ratio as the other two sides. A
If AD is and angle bisector of ∆ABC then
B
BD
D
DC
AB BD = AC DC
C
© iTutoring.com Angle Bisector Proportionality Theorem Pg. 3
Angle Bisector Proportionality Theorem
Name _________________________________ Date ___________________ Period _______
An angle bisector in a triangle separates the opposite side into segments that have the same ratio as the other two sides. A
If AD is and angle bisector of ∆ABC then
B
BD
D
DC
AB BD = AC DC
C
Determine the value of x.
If AD is and angle bisector of ∆ABC
A
24
18
B
x
D
12
C
Determine the value of x.
8 12 2x
2x + 6
Determine the value of x.
12 8
x
10 – x 10
© iTutoring.com Angle Bisector Proportionality Theorem Pg. 2
12 – x
Determine the value of x.
14 12 x
10
An angle bisector in a triangle separates the opposite side into segments that have the same ratio as the other two sides. A
If AD is and angle bisector of ∆ABC then
B
BD
D
DC
AB BD = AC DC
C
© iTutoring.com Angle Bisector Proportionality Theorem Pg. 3
