1. Pythagorean Theorum Adham Jad

2. What is a triangle? How many sides does a triangle have? What is the sum of angles in a triangle? Background & Concept Evaluation

3. B A C A right triangle or a right-angled triangle is a triangle in which one angle is a right angle i.e. 90 degree angle.  The side AB is called perpendicular.  The side AC is called hypotenuse.  The side BC is called base. Hypotenuse is the longest side of right angled triangle. It is opposite to the right angle Right Triangle

4. B A C B A C B A C Following are examples of right triangles. Right Triangle Examples

5. B A C Figure 2: Right Triangle B A C Figure 1: Triangle  A triangle is a three sided closed figure  Right triangle is the triangle with one angle equal to 90 degrees.  Hypotenuse is the longest side of right angled triangle. It is opposite to the right angle. Review

6. Pythagorean Theorem is stated as: The sum of the squares of the sides of a right triangle is equal to the square of the hypotenuse. Pythagoras Theorem

7. B A C

8. B A C Given triangle in the figure, length of sides a=12, b=4. Find unknown length of hypotenuse, c. Pythagoras Theorem Practice