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Un esbozo del sistema
A (avión)
P y Q observadores
AS altura avión = h (vertical)
P _______________|_______________ Q
x S (5 - x)
PQ = 5km
Triángulos ASP y ASQ rectángulos
En triángulo ASP
ángulo APS = 65°
h = xtag65 (1)
En triángulo ASQ
ángulo AQS = 80°
h = (5 - x)tag80 (2)
(1) = (2)
xtag65 = (5 - x)tag80
= 5tag80 - xtag80
5tag80 = xtag80 + xtag65
= x(tag80 + tag65)
x = (5tag80)/(tag80 + tag65)
tag65 = 2,145
tag80 = 5,671
x = 5(5,671)/(5,671 + 2,145)
= 3,628
x = 3,628 km
En (1)
h = (3,628)(2,145)
= 7,782
El avión vuela a una altura de 7,782 km ó 7782 m