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lilly21 Group Title

help me pleeaazz! the altitude of an equilateral triangle is 20 inchs long. to the nearest inch, what is the length of each side of the triangle? a. 16 in b. 17in c. 23 in d. 40in

  • 2 years ago
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  1. mr.luna Group Title
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    hold on lemme get my calculator bruno mars

    • 2 years ago
  2. lilly21 Group Title
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    lol im a girl u know, i just like him. everyone gets me a hard time about it!

    • 2 years ago
  3. mr.luna Group Title
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    |dw:1334802749475:dw|

    • 2 years ago
  4. mr.luna Group Title
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    is that what you menat by atitude?

    • 2 years ago
  5. lilly21 Group Title
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    im guessing.... thats all the problem says it includes like no diagram

    • 2 years ago
  6. mr.luna Group Title
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    dude i took calculus and this is hard. give me a sec ok

    • 2 years ago
  7. lilly21 Group Title
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    ok.

    • 2 years ago
  8. mr.luna Group Title
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    |dw:1334803098882:dw|

    • 2 years ago
  9. mr.luna Group Title
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    thats all i got. -_-

    • 2 years ago
  10. lilly21 Group Title
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    ok so its 3 (x's) in total and they = 60? i think u wrote? the drawing goes off the square drawing thing so i cant really tell

    • 2 years ago
  11. mr.luna Group Title
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    the 60 is the degrees of the angles

    • 2 years ago
  12. lilly21 Group Title
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    so all of them = to 60 degrees? as in every single one of them have a value of 60 degrees?

    • 2 years ago
  13. petewe Group Title
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    yes, so that means the top angles are 30 + 30. so just use your primary trig ratios since you have 2 right triangles.

    • 2 years ago
  14. lilly21 Group Title
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    so its a 30 60 90 triangle right?

    • 2 years ago
  15. petewe Group Title
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    yep

    • 2 years ago
  16. mr.luna Group Title
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    |dw:1334803528274:dw|

    • 2 years ago
  17. lilly21 Group Title
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    :) thanks, both of u guys!

    • 2 years ago
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