Respuesta :
The Length of s is 8.4 inches.
What is a triangle?
A flat geometric figure that has three sides and three angles. Something that has three sides and three angles a triangle of land.
Finding the third side.
Let the three sides be q,r,s and the respective angles opposite to these sides be Q, R, S
Let the known side be q, s, and unknown side is s.
Now as per law of cosines:
s=\sqrt(q^2+r^2–2qrcosS)
s=\sqrt(46.24+3.61+20.08)
s=\sqrt(69.93)
s=8.36
s=8.4.
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