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if the sun altitude is 60 and the height of the tower is 12m then the length of the shadow of the tower

To calculate the length of the shadow of the tower, you can use trigonometry. When the sun's altitude is 60 degrees and the height of the tower is 12 meters, you can use the tangent function:

tan(60 degrees) = height of the tower / length of the shadow

Let's calculate it:

tan(60 degrees) = √ 3 (approximately 1.732)

Now, solve for the length of the shadow:

length of the shadow = height of the tower / tan(60 degrees)

length of the shadow = 12 meters / 1.732

length of the shadow ≈ 6.93 meters

So, the length of the shadow of the tower is approximately 6.93 meters