Answer:
I think after 1.6 s it Will catch the dog
Answer:
interior angle=5&3 and4&6
exterior angle=5&2,6&1,3&8,4&7
Answer:

multiply either sides by 3:

divide either sides by πr² :

Ratio of orange:green = 2:1
If there are 4 green picks then there are 8 orange picks.
Total number of picks = 4 + 8 = 12
Answer: There are now 12 picks in total.