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Introduction to bearings
Bearings and direction word problems
Angle of elevation and depression
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When you look at an object above you, the angle between the horizontal and your line of sight to the object is called the angle of elevation.
When you look at an object below you, the angle between the horizontal and your line of sight to the object is called the angle of depression.
A house was built next to a mountain. The angle of depression from the top of the mountain to the house is 12°. If the mountain is 800m tall, how far is the house from the mountain?
Nelson, whose height is 1.8m, is standing 12m away from a light pole. If he casts a shadow 15m away from the pole, what is the height of the light pole?
Buildings X and Y are 240m from each other. From the roof of building X, the angle of elevation to the top of building Y is 26° and the angle of depression to the base of building Y is 32°. How tall is each building?
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