Draw a right triangle with legs a and b, and hypotenuse c, as shown. The length of the a and b is equal to the hypotenuse.Ī. Explain how this proves the Pythagorean Theorem. Compare your answers to parts (c) and (e). The area of large square in terms of the dimensions of small squares and rectangles is a² + b² + 2abį. Find the area of the large square in terms of a and b by summing the areas of the rectangles and the smaller squares. The required square with two equally sized rectangles with dimensions a and b, a square of dimension a and another square of dimension b.Į. Divide it into two smaller squares and two equally-sized rectangles, as shown.ĭivide the square into two equally-sized rectangles with dimensions a and b, a square of dimension a and another square of dimension b as follows, The area of the large square = a 2 x b 2.ĭ. Find the area of the large square in terms of a, b, and c by summing the areas of the triangles and the small square. Make three copies of your right triangle.Ĭ. Arrange all tour triangles to form a large square, as shown. Make three copies of your right triangle. Proving the Pythagorean theorem without words.ī. Draw and cut out a right triangle with legs a and b, and hypotenuse c. Proving the Pythagorean Theorem without WordsĪ. Use dynamic geometry software to construct a right triangle with acute angle measures of 20° and 70° in standard position. What are the approximate coordinates of its vertices? The sum of all angles of a triangle = 180° What are the exact coordinates of its vertices? Use dynamic geometry software to construct a right triangle with acute angle measures of 30° and 60° in standard position. Right Triangles and Trigonometry Mathematical practices The product property of square roots allows you to simplify the square root of a product.Ĥ. Yes, I am able to simplify the square root of a sum. Are you able to simplify the square root of a sum? of a diffrence? Explain. The Product Property of Square Roots allows you to simplify the square root of a product. Big Ideas Math Book Geometry Answer Key Chapter 9 Right Triangles and Trigonometry Right Triangles and Trigonometry Maintaining Mathematical Proficiency
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