Use the Pythagorean Theorem and the square root property to solve Exercises 139143. Express answers in simplified

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Use the Pythagorean Theorem and the square root property to solve Exercises 139–143. Express answers in simplified radical form. Then find a decimal approximation to the nearest tenth.


The base of a 30-foot ladder is 10 feet from a building. If the ladder reaches the flat roof, how tall is the building?


Pythagorean Theorem


imageSquare root propertyimage

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College Algebra

ISBN: 9780134453262

7th Edition

Authors: Robert F Blitzer

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