21faulknerk13 21faulknerk13
  • 22-12-2020
  • Mathematics
contestada

In ΔEFG, g = 6.7 inches, e = 5.9 inches and ∠F=70°. Find the length of f, to the nearest 10th of an inch.

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 22-12-2020

Step-by-step explanation:

Using cosine rule,

f² = g² + e² - 2(g)(e)(cosF) = 6.7² + 5.9² - 2(6.7)(5.9)(cos70°)

= 52.6598 in²

Hence f = 7.3 in.

Answer Link
liibnharm liibnharm
  • 12-02-2021

Answer: 7.3

Step-by-step explanation:

Answer Link

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