Level:
Project ID:
1003076709
Accepted:
1
Clonable:
0
Easy:
0
The area of an obtuse triangle is \( 2\,\mathrm{dm}^2 \). The lengths of sides containing the obtuse angle are \( 2\,\mathrm{dm} \) and \( 4\,\mathrm{dm} \). The measure of this angle is:
\( 150^{\circ} \)
\( 165^{\circ} \)
\( 155^{\circ} \)
\( 158^{\circ} \)