Similar Triangles and Indirect Measurement Lesson

Similar Triangles & their angles

At this point you should have watched Khan Academy and they explained the sum of triangle measures.

Open Ended

What does the word SUM mean?

Poll

What is the SUM of the angles measurements in a triangles?

• $$120\degree$$

• $$180\degree$$

• $$90\degree$$

• $$360\degree$$

Does this mean all triangles?

No matter what the triangle, the sum of all its angles will add up to 180 degrees.

Similar Triangles

When two triangles are similar their angles are the CONGRUENT (the same)

Check it out! (Mind blown)

https://www.youtube.com/watch?v=_yRDwYYjgOY