Question

TRIGONOMETRY. Question number 11 pls

Answer 1

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Distance between the foot of the tower and point of observation = 20 m = BC

Angle of elevation of the top of the tower = 60° = θ

And, Height of tower (H) = AB

Now, from fig. ABC

ΔABC is a right angle triangle,

Answer 2

Answer:

Distance between the foot of the tower and point of observation = 20

Angle of the elevation on the top of the tower = 60°

And ,

Height of tower ( H ) =∆ ABC

So , ∆ ABC is the right angle triangle.

Hope it will help you

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