ANGLE $6$

Use line $6-5$ and line $6-7$

Line $6-5$ is outgoing with a direction of $281d$ : Line $6-7$ is outgoing with a direction of $113d$

Interior Angle is equal to:

NOTE: Subtraction of $113$ from $281$ will give the exterior angle of $168d$

ANGLE $7$

Use line $7-6$ and line $7-8$

Line $7-6$ is outgoing with a dire the $293d$; Line $7-8$ is outgoing with a direction of $7d$

Interior Angle is equal to:

Note: Subtraction of $7$ from $293$ will give the exterior angle of $286d$

ANGLE $8$

Use line $8-7$ and line $8-1$

Line $8-7$ is outgoing with a direction of $187d$; Line $8-1$is outgoing with a direction of $301d$ Interior Angle is equal to: