The angle of elevation of an aircraft from a po... - WAEC Mathematics 2015 Question
The angle of elevation of an aircraft from a point K on the horizontal ground 30(\alpha). If the aircraft is 800m above the ground, how far is it from K?
A
400.00m
B
692.82m
C
923.76m
D
1,600.99m
Ask EduPadi AI...
Correct Option: D
In (\bigtriangleup)KBC, sin 30 = (\frac{800}{IKCI})
IKCL = (\frac{800}{sin30^o})
= (\frac{800}{0.5})
= 1600m
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