Angle Bisectors and Measures

The video tutorial covers the concept of angle addition and angle bisectors. It explains how an angle bisector divides an angle into two equal parts. The tutorial provides several examples, including angles LKM, ABD, JKM, and ABE, demonstrating how to calculate unknown angles using the properties of bisectors. The lesson emphasizes the importance of visualizing and drawing angles to understand the problem better.

What is the definition of an angle bisector?

• A line that divides an angle into two unequal parts

• A line that divides an angle into two equal parts

• A line that divides a segment into two equal parts

• A line that divides a segment into two unequal parts

If angle LKM is 98 degrees and KN bisects it, what is the measure of angle LKN?

• 69 degrees

• 29 degrees

• 49 degrees

• 58 degrees

Given angle LKM is 98 degrees and KN bisects it, what is the measure of angle NKM?

• 49 degrees

• 58 degrees

• 69 degrees

• 29 degrees

What is the measure of angle LKN if angle LKM is 98 degrees and KN bisects it?

• 49 degrees

• 58 degrees

• 29 degrees

• 69 degrees

If angle JKM is 104 degrees and KL bisects it, what is the measure of angle JKL?

• 104 degrees

• 78 degrees

• 26 degrees

• 52 degrees

If angle JKM is 104 degrees and KL bisects it, what is the measure of angle LKN?

• 26 degrees

• 52 degrees

• 78 degrees

• 104 degrees

If angle JKM is 104 degrees and KL bisects it, what is the measure of angle NKM?

• 104 degrees

• 78 degrees

• 52 degrees

• 26 degrees

If angle JKM is 104 degrees and KL bisects it, what is the measure of angle LKN?

• 104 degrees

• 26 degrees

• 52 degrees

• 78 degrees

If angle ABD is 87 degrees and BE bisects angle CBD which is 24 degrees, what is the measure of angle ABE?

• 39 degrees

• 24 degrees

• 52 degrees

• 27 degrees

If angle ABD is 87 degrees and BE bisects angle CBD which is 24 degrees, what is the measure of angle EBD?

• 48 degrees

• 24 degrees

• 12 degrees

• 36 degrees