How do you find the exact value of the third side given triangle RST, RS=0.375, ST=1.29, mangleS=167?

1 Answer
Feb 25, 2018

Length of third side color(brown)(s = 1.65753673796)

Explanation:

t = 0.375, r = 1.29, hat S = 167^@

To find length of side s

enter image source here

s = sqrt(r^2 + t^2 - (2 r t cos S))

=> sqrt(1.29^2+ 0.375^2 - (2 * 1.29 * 0.375 cos (167)))

color(brown)(s = 1.65753673796)