1. Pythagorean Theorem
RIGHT TRIANGLE Proof that the formula works!
a2 + b2 = c2
Calculate the length of the missing side using the Pythagorean Theorem.
Describes the relationship of the lengths of the sides of a right triangle

2. Pythagorean Theorem cont.
4. The triangle shown below is a right triangle. Which equation could be used to
determine the value of x? A. B.
C. X D. 7
5. Use the converse of the Pythagorean Theorem to determine if the 3 numbers could
represent the sides of a right triangle. I. 5, 7, 9
II. 5, 12, 13
Which of these sets of 3 numbers could represent the sides of a right triangle?
A. Neither I nor II
B. I only
C. II only
D. Both I and II
6. The triangle shown is a right triangle. Find the length of the missing side.
B C. 3m m