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180 degrees. in an equilateral triangle, each angle is 60 degrees
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The best and most correct answer among the choices provided by the question is <span>(D) f(n) = 0.9 * f(n - 1) + 10, f(0) = 175, n > 0 .</span> <span>
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Hope my answer would be a great help for you.</span>
1. -1
2. 1
3. 5
4. -1
5.-1
6. -3
