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anonymous

  • 5 years ago

Given mC = 60° and mB = 30°. If BC = 12 cm, then find AC.

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    this is a 30-60-90 triangle which has sides with the ratio a-2a-a√3 where 2a is the hypotenuse, a is the short side and a√3 is the longer side (non hypotenuse). In your problem 2a = 12 so the shorter side equals 12/2 or 6.

  3. amistre64
    • 5 years ago
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    12 sqrt(3)

  4. amistre64
    • 5 years ago
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    doh!!...hold on to that lol

  5. anonymous
    • 5 years ago
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    AB would be 12√3 but AC is 6

  6. amistre64
    • 5 years ago
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    6; I had my triangle backwards lol

  7. anonymous
    • 5 years ago
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    Random announcement: Its finally not raining.

  8. amistre64
    • 5 years ago
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    yay!!...send out a raven or a dove to check for olive oil

  9. anonymous
    • 5 years ago
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    bahaha.

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