Answer:
please mark as brainlist answers
Answer:
a) 1790 b) 1.79
Step-by-step explanation:
a) you just add to get the perimiter 2(900) + 2(400) to get 1790
b) 1000 meters makes a kilometer so we divide by 1000 and get 1.79 for the kilometers
Answer:
Step-by-step explanation:
The magnitude of vector is given by
The magnitude of vector is .
The magnitude of vector is .
Therefore,