angle of elevation and depression - MR. LEDFORD'S MATH CLASS · 2018-12-14 · Angle of Angle of...

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Transcript of angle of elevation and depression - MR. LEDFORD'S MATH CLASS · 2018-12-14 · Angle of Angle of...

Page 1: angle of elevation and depression - MR. LEDFORD'S MATH CLASS · 2018-12-14 · Angle of Angle of Horizontal line Vocabulary: of elevation the angle formed by a above the hor'zontal

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angle of elevation and depression

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Theodolite

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Page 10: angle of elevation and depression - MR. LEDFORD'S MATH CLASS · 2018-12-14 · Angle of Angle of Horizontal line Vocabulary: of elevation the angle formed by a above the hor'zontal

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You stand 40 ft from a tree.The angle of elevation from you to the top of the tree is 47°. How tall is the tree?

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The angle of elevation to a building in the distance is 22°.You know that the building is approximately 450 ft tall. Estimate the distance to the base of the building.

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An airplane is flying at an altitude of 10,000 ft.The airport at which it is scheduled to land is 50 mi away. Find the angle at which the airplane must descend for landing. (Hint: There are 5280 ft in 1 mi.)

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A lake measures 600 ft across.A lodge stands on one shore. From your point on the opposite shore, the angle of elevation to the top of the lodge is 4°. How tall is the lodge?

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A library wishes to build an access ramp for wheelchairs.The main entrance of the library is 8 ft above sidewalk level. If the architect recommends a grade (angle of elevation) of 6°, how long must the access ramp be?

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Two buildings stand 90 ft apart at their closest points. At those points, the angle of depression from the taller building to the shorter building is 12°. How much taller is the taller building?

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two buildings are 100 ft apart.  from your window the angle of elevation to the top of the other building is 22.30.  The angle of depression to the bottom of the building is 47.30.  How tall is the other building?