1. Special Right Triangles
Objective: Students will determine shortcuts for sides of 2 special right triangles and apply this to problems.

2. Triangle
What is another name for this triangle? Do investigation 1 as a table, page 491 What pattern do you notice in the table? What rule could you come up with?

3. Triangle
If you take an equilateral triangle and cut it in half with an altitude your, what does it do to the triangle? Bisects a base Bisects an Angle Forms a right angle Forms a triangle What is the relationship between the bisected side and the now hypotenuse? Can you calculate the remaining leg length? Work through investigation 2 on page 492 as a group What did you determine?

4. Examples

5. Examples

6. Homework
Pg ,7-9,11