Question

A lamp post 5 root 3m high casts a shadow 5m longon the ground find sun elevation

Answer 1

Answer:60 degree

Step-by-step explanation:tan@=5 under root 3 by 5

@=60

Answer 2

Answer:

60 degree

Step-by-step explanation:

Let sun's elevation(angle ACB)= theta

Tan theta=AB/BC

That implies, tan theta= 5×root 3/5

That implies, tan theta= root three

(As 5 will be cancelled out)

Then, tan theta= root 3

Thus, theta= 60 degree

(Since, tan 60 degree= root 3)

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