Lukecrayonz
  • Lukecrayonz
http://screensnapr.com/v/9vFRmW.png
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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mathmate
  • mathmate
|dw:1327977940554:dw| For each of the two triangles, the angle (96 and 84 deg.) are known, as well as the adjacents sides. You can use cosine rule, c^2=a^2+b^2-2ab cos(C) to find the length of the guy-wires.
mathmate
  • mathmate
Sorry, a and b in the cosine rule refer to the length of adjacent sides of each angle, not the guy-wires.
Lukecrayonz
  • Lukecrayonz
So just the same problem basically for both sides, just different angles?

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Mertsj
  • Mertsj
a^2=75^2+100^2-2(75)(100)cos 96
Mertsj
  • Mertsj
b62=75^2+100^2-2(75)(100)cos84
mathmate
  • mathmate
Yep, Mertsj got it all sorted out for you!
Mertsj
  • Mertsj
a=131.12

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