9. You are in a hot air balloon that is 600 feet above the ground. You can see two people. The angles of depression to person B and to person C are 30° and 20°, respectively. a. How far is person B from the point on the ground below the hot air balloon? 20° 30° b. How far is person C from the point on the ground below the hot air balloon? 600 ft c. How far apart are the two people?

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