1. Math 3-4: The Pythagorean Theorem
Objective: How to use the Pythagorean Theorem.

2. Vocabulary right triangle – a triangle having one right angle.
legs – the 2 sides of a right triangle that form the right angle.
hypotenuse – the side opposite the right angle in a right triangle. (longest)

3. Vocabulary
Pythagorean Theorem – in a right triangle, the square of the length of the hypotenuse c is equal to the sum of the squares of the lengths of the legs a and b. a2+b2=c2
converse – the parts of the Pythagorean Theorem reversed. Is a triangle a right triangle?
Pythagorean triple – a set of three integers that satisfy the Pythagorean Theorem original triple

4. Find the Length of the Hypotenuse

5. Find the Length of a Leg

6. Examples

7. Examples

8. Identify a Right Triangle

9. Assignment
3-4 PS (e)
3-5 PS (e)
3-5 E (ec)
Chapter 3 TEST – 10/9