11 3 the pythagorean theorem
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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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11 3 the pythagorean theorem

11-3: The Pythagorean Theorem

Pg.546


Objective vocabulary

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 [ ].


Example 1 finding the length of a hypotenuse

Example 1: Finding the Length of a Hypotenuse

B=20

  • Find c.

  • If a=9 ft, b=12 ft, find c.

A=15

C=?


Example 2 finding the length of a leg

Example 2: Finding the Length of a Leg

  • Find b.

  • Find a if b=12ft and c=20ft.

5 ft.

3 ft.

b


Homework time yea

Homework Time—Yea!

Pg.548-549(1-22all)


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