Quote:
Originally Posted by mat  how do I find the cosine rule for the walker? its 360 degrees minus 154 then what is the cosine angle? ... |
The angle
consists of 2 parts:
- the red part is 60° (alternate angle to the known angle of 60°)
- the orange part: 180° - 154° = 26°
Therefore the complete angle is 60° + 26° = 86°