Lesson 1.2.5: Unknown Angle Proofs (proofs with constructions) |
For this lesson there are 10 steps for you to take. Scroll down and do each step one-by-one. The instructions under each step will help clarify exactly what you need to do, so please read all the instructions.
|
Here is your worksheet for Lesson 1.2.5
|
|
1.) Start your notes
Title your notes and write the target below.
Target: I can write unknown angle proofs involving auxiliary lines.
Title your notes and write the target below.
Target: I can write unknown angle proofs involving auxiliary lines.
3.) Video: Opener Explained
Watch this video to see my explanation of the Opener. |
|
7.) Option 2
Here is a second option to solve the given situation above. Now check out this second auxiliary line that was drawn. Read through the questions and answers to the following questions and read through the proof that was written. Hopefully you can see that finding the auxiliary line is the most important step of these kinds of proofs, but doesn't have to be the hardest step. |
9.) Video: Example 2
Watch this video to see how I solve Example 2 Proof. |
|