Level:
Project ID:
1003076910
Source Problem:
Accepted:
1
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 smallest interior angle.
\( \frac78 \)
\( 28.96^{\circ} \)
\( -\frac14 \)
\( -\frac78 \)