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i) 180-80=100
100 x 60 =6,000
6000/450 =131/3 hrs
b) 13 + 25 = 3800
38/360 x 2 x 3.142 x 6370 cos 400.
3,236.76km.
c)CD = 60 x 30
1800 mm.
Time taken = 1800/450 = 4hrs .
Arrival time 3:10
4:00
7.10 p.m
Kavungya answered the question on November 19, 2019 at 05:45
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