sarahishere68338 sarahishere68338

21-08-2018
Mathematics

contestada

A. 207.5ft
B. 174.2ft
C. 147.2ft
D. 183.0ft
If you get this question I will mark you as a brainliest

A 2075ft B 1742ft C 1472ft D 1830ft If you get this question I will mark you as a brainliest class=

Respuesta :

musiclover10045 musiclover10045

21-08-2018

Law of cosines:

a^2 = b^2 + c^2 -2 *b*c*coa(a)

a^2 = 60.5^2 + 257^2 - 2*60.5*257*cos(31)

a^2 = 3660.25 + 66049 - 2 *60.5 * 257 * 0.857167

a^2 = 3660.25 + 66049 - 26655.33

a^2 = 43053.92

a = SQRT(43053.92)

a = 207.49 = 207.5 feet.

The answer is A.

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