Question

Question #4cf24

Answer 1

Simple application of formula `c^2 = a^2+b^2-2abCos(C)`

Explanation:

`c^2=9^2+6^2-2(9)(6)Cos(100)`

`c^2=81+36-(-18.75)`

`c^2=135.75`

`c=+-11.65`

Positive branch since it's a distance