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katlin95

  • 3 years ago

in need of some help!?:) The ratio of the measures of two complementary angles is 1:5. What are the measures of the angles? A. 30° and 60° B. 15° and 75° C. 30° and 150° D. 5° and 25°

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  1. jim_thompson5910
    • 3 years ago
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    Let x = smaller angle Since the two angles are in ratio of 1:5, this means that if one angle (the smaller angle) is x, then the other is 5 times bigger....so 5x The two angles are then x and 5x

  2. jim_thompson5910
    • 3 years ago
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    the two angles are complementary, so angle 1 + angle 2 = 90 x + 5x = 90

  3. katlin95
    • 3 years ago
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    i got b for an answer is that correct?

  4. jim_thompson5910
    • 3 years ago
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    b is correct, nice work

  5. JuanitaM
    • 3 years ago
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    also, complementary means they total to 90 degrees - so eliminate some of your choices

  6. jim_thompson5910
    • 3 years ago
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    notice how 15+75 = 90 and that 75 is five times bigger than 15

  7. katlin95
    • 3 years ago
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    yep

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