Identifying angles of elevation and depression in real-world scenarios.

Let's analyze each picture to determine whether angle A represents an angle of elevation or an angle of depression.

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🔍 Definitions:

- Angle of Elevation: The angle formed above the horizontal line when looking upward from a lower position.
- Angle of Depression: The angle formed below the horizontal line when looking downward from a higher position.

Both angles are measured from the horizontal line.

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Now, let's go through each image:

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1. Helicopter looking down at a house

- The helicopter is above the house.
- The angle A is between the horizontal line (dashed) and the line of sight going down to the house.
- This is looking downward → Angle of Depression

✔ Answer: Angle of depression

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2. Person looking down at a ball on the ground

- The person is standing above the ball.
- The line of sight goes downward from the person’s eye level to the ball.
- The angle A is below the horizontal line.
- So, this is looking down → Angle of Depression

✔ Answer: Angle of depression

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3. Person looking up at a hot air balloon

- The person is on the ground, and the balloon is above them.
- The line of sight goes upward from the person to the balloon.
- The angle A is above the horizontal line.
- So, this is looking up → Angle of Elevation

✔ Answer: Angle of elevation

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4. Fish looking up at a sailboat

- The fish is underwater, and the boat is above the water.
- The fish is looking upward toward the boat.
- The angle A is above the horizontal line (from the fish's perspective).
- So, this is looking up → Angle of Elevation

✔ Answer: Angle of elevation

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5. Bird looking down at a tree

- The bird is above the tree.
- The line of sight goes downward from the bird to the tree.
- The angle A is below the horizontal line.
- So, this is looking down → Angle of Depression

✔ Answer: Angle of depression

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✔ Final Answers:

1. Angle of depression
2. Angle of depression
3. Angle of elevation
4. Angle of elevation
5. Angle of depression

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