# trig

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A submersible traveling at a depth of 250 feet dives at an angle of 15 degrees with respect to a line parallel to the water's surface. It travels a horizontal distance of 1500 feet during the dive. What is the depth of the submersile after the dive?Explain how the angle of the dive affects the final depth.

• trig -

You measure the angle of elevation from the ground to the top of a building as 32 degrees.When you move 50 meters closer to the building,the angle of elevation is 53 degrees. How high is the building?

• trig -

An airplane is flying at an altitude of 31,000 feet when it begins its descent for landing.If the runway is 104 miles away,at what angle does the airplane descend?

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