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Trigonometry - angles and sides

A triangle plot of land has sides of lengths 130 feet, 110 feet, and 100 feet. Approximate the smallest angle between the sides.

A radar operator sights two objects, one at a distance of 7 miles and the other at a distance of 12 miles. If the angle between the sightings is 35 degrees, how far apart are the object?

A cable to the top of a tower makes an angle of 31 degrees with the level ground . At a point 100 yards closer to the tower the angle of elevation to the top of the tower is 57 degrees. Estimate the length of the cable.

Solution Summary

This is a set of trigonometry word problems involving angles and lengths of triangle sides.