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Geometry Section 7.4

Geometry Section 7.4. Special Right Triangles. Formed by cutting a square in half. 45°-45°-90° Triangle. n. n. 45°-45°-90° Triangle Theorem. In a 45°-45°-90° triangle, the hypotenuse is times as long as the legs. Find the lengths of the sides of a 45°-45°-90° Triangle.

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Geometry Section 7.4

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  1. GeometrySection 7.4 Special Right Triangles

  2. Formed by cutting a square in half. 45°-45°-90° Triangle n n

  3. 45°-45°-90° Triangle Theorem • In a 45°-45°-90° triangle, the hypotenuse is times as long as the legs

  4. Find the lengths of the sides of a 45°-45°-90° Triangle • Find the length of the hypotenuse of a triangle with leg lengths of 8. • Find the length of the hypotenuse of a triangle with leg lengths of • Find the length of the legs of a triangle with an hypotenuse of

  5. Given an equilateral triangle with side lengths of 2: 30°-60°-90° Triangle

  6. 30°-60°-90° Triangle Theorem • In a 30°-60°-90° triangle, the hypotenuse is twice as long as the shorter leg, and the longer leg is times as long as the shorter leg

  7. Find the lengths in a 30°-60°-90° triangle • Find the length of a leg, if the shorter leg is 2, and the hypotenuse is 4. • Find the length of the hypotenuse and longer leg if the shorter leg is

  8. Assignment • Section 7.4 • Page 461 • Problems # 4-18 even, 24, 28

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