8 4 Special Rt Triangles
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8 4 Special Rt Triangles

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    8 4 Special Rt Triangles 8 4 Special Rt Triangles Presentation Transcript

    • 8-4 Special Right Triangles
    • Special Right Triangles
      • 45-45-90 Theorem
        • In a 45º - 45º - 90º triangle, the hypotenuse is  2 times as long as each leg
      x x x √2
      • Example
        • Find x
      3 3 x 45º Special Right Triangles
      • Example
        • Find x
      x x 5 45º Special Right Triangles
    • Special Right Triangles
      • 30-60-90 Theorem
        • In a 30º - 60º - 90º triangle, the hypotenuse is twice as long as the shorter leg, and the longer leg is  3 times as long as the shorter leg.
      60 º 30 º 2x x x √3
      • Example
        • Find s,t
      s 5 t 60º Special Right Triangles
      • SPICSA 302 1-20 all
      Special Right Triangles