18 km
Step-by-step explanation:
The vector appears as shown in the attached illustration. This is tantamount to finding the ? side of the right-angled triangle. The formulae is;
a² + b² = c²
24² + x² = 30²
x² = 30² – 24²
= 900 - 576
x² = 324
x = 18
Learn More:
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