Level:
Project ID:
2010015207
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
The lengths of the sides of a triangle are \( 4\,\mathrm{cm} \), \( 6\,\mathrm{cm} \) and \( 8\,\mathrm{cm} \). Calculate cosine of its greatest interior angle.
\( -\frac14\)
\( 104.47^{\circ}\)
\( 28.96^{\circ}\)
\(\frac78\)