Question

The ratio of the length of a vertical rod and the length of its shadow is 1:13.
Find the angle of elevation of the sun at that moment?​

Answer 1

Given:

The ratio of the length of the rod : Length of its shadow = 1 : 13

To Find:

The angle of elevation

Explanation:

The rod stands perpendicular (90 degrees) to the ground.

The length of the rod will be the height (Opposite).

The length of the shadow will be the length (Adjacent).

Using the rule, tan θ = opposite/adjacent, we can find θ.

Solution:

Find the angle of elevation:

tan θ = opposite/adjacent

tan θ = 1/13

θ = tan⁻¹ (1/13)

θ = 4.4º

Answer: The angle of elevation is 4.4º

Answer 2

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Refer to the attachment ❤️