Using angle bisectors and supplementary angles to solve for x - Free Math Videos

The video tutorial introduces basic geometry concepts, focusing on rays and angle bisecting. It explains how bisecting an angle divides it into two equal parts, which is crucial for solving angle-related problems. The tutorial walks through a problem where the measure of an angle is given, and the bisecting property is used to find unknown values. The process involves setting up equations, performing calculations, and finding the measure of angles using algebraic methods.

What is the significance of a ray bisecting an angle in geometry?

• It has no effect on the angle.

• It divides the angle into two equal parts.

• It doubles the measure of the angle.

• It divides the angle into two unequal parts.

If angle LKM is bisected by KN, and angle NKM is 3X + 8, what is the expression for angle LKM?

• 4X + 10

• 6X + 16

• 3X + 8

• 7X - 5

How do you express the whole angle LKM in terms of X if it is bisected by KN?

• 7X - 5

• 2(3X + 8)

• 3X + 8

• 6X + 16

What is the value of X if 7X - 5 equals 6X + 16?

• 11

• 21

• 5

• 7

After finding X, what is the measure of angle LKM?

• 135

• 142

• 128

• 147