122 The Pythagorean Theorem Glencoe（122勾股定理交谈）.pdf

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122 The Pythagorean Theorem Glencoe（122勾股定理交谈）.pdf

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122 The Pythagorean Theorem Glencoe（122勾股定理交谈）

12-2 The Pythagorean Theorem MAIN IDEA Find length using the Three squares with sides 3, 4, and 5 units 5 units Pythagorean Theorem. are used to form the right triangle shown. 3 units 1. Find the area of each square. New Vocabulary 2. How are the squares of the sides leg related to the areas of the squares? hypotenuse Pythagorean Theorem 3. Find the sum of the areas of the two smaller squares. How does the sum Math Online compare to the area of the larger square? 4. Use grid paper to cut out three squares • Extra Examples with sides 5, 12, and 13 units. Form a 4 units • Personal Tutor • Self-Check Quiz right triangle with these squares. Compare the sum of the areas of the two smaller squares with the area of the larger square. In a right triangle, the sides have special names. The two sides that The side opposite form the right angle the right angle is are the legs. the hypotenuse. It is the longest side of the triangle.