Question

a man standing in the field observes flying bird in his north at an angle of elevation of 30⁰ after 2.5 minutes he observes the bird in his south at an angle of elevation 60⁰. if the bird flies in a straight line all along a height of 60√3 meters find its height​

Answer 1

Answer:

let bird covers x mtr distance in 2 min

& distance from north point to the boy is y mtr

tan30= 50rt3/y

y=150

tan60= 50rt3/(x-150)

x=200 mtr

speed= 200/2*60 mtr/sec

= 200*18/120*5 km/hr

= 6 km/hr

Step-by-step explanation:

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