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The length of the shadow of a pole on level ground increase 90m, when the angle of elevation of the sum changes from 58-38.calculate the height of the pole, correct to 3sf

Respuesta :

Answer: h = 137.4 metres

Step-by-step explanation:

Given that the length of the shadow of a pole on level ground increase 90m, that is, (x + 90)m will be the total length of the shadow. Also we are given that the angle of elevation of the sum changes from 58-38.

To calculate the height, we will employ trigonometry ratio. SohCahToa which are: tan 58 and tan 38.

Please find the attached files for the solution

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