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Published byCharles Hart Modified over 8 years ago

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11.2 Pythagorean Theorem

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Applies to Right Triangles Only! leg Leg a hypotenuse c Leg b

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a²+b²=c² Looking for hypotenuse Steps: 1.)Plug in a and b into the equation 2.)Square a and b 3.) Add the squares 4.) Take the square root Looking for a leg Steps: 1.) Plug in a leg and c 2.) Square the leg and c 3.) Subtract the leg from c 4.) Take the square root

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Find the missing side of the right triangle 8 6 x

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7 4 x

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Find the missing side of the right triangle in the 1 centimeter grid below. 12 5 x

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Find the missing side of the right triangle below. 4 10 x

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Find the missing side of the right triangle below. 3 7 x

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A 12 foot ladder leans against a wall. How far must the base of the ladder be placed away from the wall if it is to reach a height of exactly 10 feet? 12 ft. 10 ft. x

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A guide wire is needed to support a 20 foot pole. How long should the guide wire be if it is to be fixed to the ground 8 feet from the base of the pole? 20 ft. 8 ft. x

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Homework Page 462 (8-10, 14-19) all

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