Question

Find the value of x.

Round to the nearest tenth.
A
X
29
B
50
26
C

x = [?]°

Answer 1

Below

Explanation:

Using the given law of cosines c = 26 a = 50 b = 29

and cos c is cos x

26^2 = 50^2 + 29^2 - 2(50)(29) cos x

-2665 = -2900 cos x

cos x = 2665/2900

x = arc cos ( 2665/2900) = 23.2°