kellerpaula kellerpaula

29-03-2020
Mathematics

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Trig: Laws of Cosines.
In Δ EFG , side e =9, side g =18 and m < F= 45* . Find side ' f' to the nearest integer.

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amna04352 amna04352

30-03-2020

Answer:

13.3

Step-by-step explanation:

f² = e² + g² - 2egcos(F)

f² = 9² + 18² - 2(9)(18)cos(46)

f² = 175.8974029

f = 13.26263128

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