An aeroplane is moving at a constatnt altitude "h". At 10:00 AM, it is seen at an elevation of 30 degree. 1 minute later, it is observed at an elevation of 60 degree. If the speed of the plane is 960 km / hr, then find "h".
a) 20 km
b) 12.46 km
c) 15 km
d) 13.86 km
Answers
Answered by
1
Answer :
The wrong answer is d because I don't know the answer ✔✔✍✍✔
Answered by
0
Answer:
960/ 60 = 16 km then 16/2= 8 km , 8×✓3=13.86
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