Question

Solve the following problems (using solution by right triangles):

1. Two trees stand opposite one another, at points A and B. on opposite banks of a feet, Angle ACB is measured to be 79°. How far apart are the trees; that is what is ther river Distance AC along one bank is perpendicular to BA and is measured to be 100 width w of the river?

2. A lodder with a length of 30 feet 30 feet is leaning against a building. The angle the lodder makes with the ground is 32°32°. How high up the building does the lodder reach? (round to the nearest tenth of a foot)

3. A large airplane plane A) flying at 26,000 feet sights a smaller plone (plane traveling at an altitude of 24.000 feet. The angle of depression is 40°, What is the line of sight distance (x) between the two planes?

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