##### Like what you saw?

##### Create FREE Account and:

- Watch all FREE content in 21 subjects(388 videos for 23 hours)
- FREE advice on how to get better grades at school from an expert
- Attend and watch FREE live webinar on useful topics

# Remote Interior Angles - Problem 2

###### Brian McCall

###### Brian McCall

**Univ. of Wisconsin**

J.D. Univ. of Wisconsin Law school

Brian was a geometry teacher through the Teach for America program and started the geometry program at his school

Given the measure of the exterior angle and one remote interior angle of a triangle, it is possible to find the measure of the other remote interior angle. Remember that the measure of the exterior angle is the sum of the remote interior angles. So, the measure of the unknown interior angle is the measure of the exterior angle minus the measure of the other interior angle.

To clarify, let one remote interior angle be R°, the exterior angle be E° and the unknown remote interior angle be x°. Since E° = R° + x°, you know that x° = E° - R°. Plug in the values of the exterior angle and known remote interior angle.

If you know the exterior angle and you know one of the remote interior angles, then you can just set up a simple equation to find x.

We know that 125 degrees has to equal the sum of the two remote interior angles, which is 50 degrees and x degrees. So we just have a simple equation to solve, subtract 50 degrees and we see that x must be 75 degrees.

Please enter your name.

Are you sure you want to delete this comment?

###### Brian McCall

B.S. in Chemical Engineering, University of Wisconsin

J.D. University of Wisconsin Law School (magna cum laude)

He doesn't beat around the bush. His straightforward teaching style is effective and his subtle midwestern accent is engaging. There's never a dull moment with him.

so my teacher can't explain this in 5 weeks but I learn this in less than 3 minutes”

its hard to focus when the teacher is really really really goodlooking”

i like how it took you 3 minutes and 8 seconds to accomplish what my teacher couldn't in 3 days”

##### Concept (1)

##### Sample Problems (3)

Need help with a problem?

Watch expert teachers solve similar problems.

## Comments (0)

Please Sign in or Sign up to add your comment.

## ·

Delete