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anonymous

  • 5 years ago

you have a 20 foot ladder that you are using as you paint your ragetty house. you place the ladder so that it forms an angel of 30 degree with the top of the house. how high will the top of the ladder be above the ground?

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  1. anonymous
    • 5 years ago
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    do you have a clue on doing this?

  2. ash2326
    • 5 years ago
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    |dw:1327292241389:dw|

  3. anonymous
    • 5 years ago
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    |dw:1327292251393:dw|

  4. anonymous
    • 5 years ago
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    Sorry it got cut off: I wrote by 30-60-90 rule

  5. anonymous
    • 5 years ago
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    do i simply that 10 sqrt 3 ft or that the final answer

  6. ash2326
    • 5 years ago
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    we have to find h?? we know thar cos x= base/hypotenneus or ajdjacent/ hypoteneus cos 30 = h/20 \[ \ \sqrt

  7. ash2326
    • 5 years ago
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    sqrt 3/ 2= h/20 h=20 * root 3 *1/2 17.4 FOOT

  8. anonymous
    • 5 years ago
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    Yes, 10sqrt(3) equals approx. 17.4

  9. anonymous
    • 5 years ago
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    thanks so much guys

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