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11-3: The Pythagorean Theorem

11-3: The Pythagorean Theorem. Pg.546. Objective & Vocabulary. Find the length of a side of a right triangle. Hypotenuse (pg.546): in a right triangle, the side opposite the right angle (the longest side) is the hypotenuse.

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11-3: The Pythagorean Theorem

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  1. 11-3: The Pythagorean Theorem Pg.546

  2. Objective & Vocabulary • Find the length of a side of a right triangle. • Hypotenuse (pg.546): in a right triangle, the side opposite the right angle (the longest side) is the hypotenuse. • Leg (pg.546): the two sides in a right triangle that form the right angle. • Pythagorean theorem (pg.546): for any right triangle, the sum of the squares of the lengths of the legs equals the square of the length of the hypotenuse [ ].

  3. Example 1: Finding the Length of a Hypotenuse B=20 • Find c. • If a=9 ft, b=12 ft, find c. A=15 C=?

  4. Example 2: Finding the Length of a Leg • Find b. • Find a if b=12ft and c=20ft. 5 ft. 3 ft. b

  5. Homework Time—Yea! Pg.548-549(1-22all)

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