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December 29th, 2018, 04:41 PM   #1
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please solve this trig problem for me (witdh of gorge)

"Greg and Kristine are on opposite ends of a zip line that crosses a gorge. Greg went across the gorge first, and he's now on a ledge that's 15 m above the bottom of the gorge. Kristen is at the top of a cliff that is 72 m above the bottom of the gorge. Jon is on the ground at the bottom of the gorge, below the zip line. He sees Kristen at a 65 degree angle of elevation and Greg at a 35 degree angle of elevation,. What is the width of the gorge to the nearest metre?"

Answer: 55 m.
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December 29th, 2018, 06:17 PM   #2
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Math Focus: Wibbly wobbly timey-wimey stuff.
As Dr, Peterson asked you on FMH: "What have you tried so far?" (Aside from posting the problem on just about any Math forum.)

-Dan
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December 29th, 2018, 07:42 PM   #3
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Quote:
Originally Posted by topsquark View Post
As Dr, Peterson asked you on FMH: "What have you tried so far?" (Aside from posting the problem on just about any Math forum.)

-Dan
Nothing but I have found the answer and now understand the problem

Thanks !
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