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geometry

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DEF and ABC are complementary angles and ABC is nine times as large as DEF. Determine the measure of each angle.

  • geometry - ,

    DEF + ABC = 90
    DEF + 9DEF = 90
    10DEF = 90
    DEF = 9
    ABC = 81

  • geometry - ,

    The shorter leg of a 30°-60°-90° triangle is 6. What is the length of the other leg?

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