A car travels \( 10 km \) southeast and then \( 15 km \) in a direction \( 60 ^ { \circ } \) north of east. Find the magnitude of the car's resultant vector.
\( [ ? ] km \)
Round to the nearest tenth.
A car travels \( 10 km \) southeast and then \( 15 km \) in a direction \( 60 ^ { \circ } \) north of east. Find the magnitude of the car's resultant vector.
\( [ ? ] km \)
Round to the nearest tenth.
24.8