morganeleasehall
morganeleasehall morganeleasehall
  • 16-01-2020
  • Mathematics
contestada

Determine the approximate value of c.
PLEASE I NEED HELP!!!!!!
I know that the answer is NOT 10.8


Group of answer choices

9.24cm

10.8cm

11.3cm

14.0cm

Determine the approximate value of c PLEASE I NEED HELP I know that the answer is NOT 108 Group of answer choices 924cm 108cm 113cm 140cm class=

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 07-02-2022

The value of c is approximately 9.24cm

Cosine rule

To get the approximate value of c, we will use the cosine formula expressed as:

[tex]c^2 = a^2 + b^2 - 2abcos \theta[/tex]

Given the following

a = 9cm

b = 6cm

theta = 73 degrees

[tex]c^2=9^2+6^2 -2(6)(9) cos 73\\c^2 = 81 + 36 - 108cos 73^0\\c^2=117 - 31.57\\c = 9.24cm[/tex]

HEnce the value of c is approximately 9.24cm

Learn more on cosine rule here: https://brainly.com/question/7872492

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