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c If the side of the square is 2 feet, then find the acute angle of elevation.
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| c A kite is flying with the string inclined at 60o to the horizon. What is the height of the kite above the ground, when the string is 20 m long? c |
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c A vertical flagstaff stands on a horizontal plane, from a point 65 m away from its foot. If the angle of elevation of its top is found to be 60o, what is the height of the flagstaff?
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| c The upper part of a pole broken over by wind makes an angle 30o with the ground and touches the ground at a distance 27 feet. What is the height of the pole? c |
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| c Is the angle of elevation numerically equal to the angle of depression? c |
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c If the side of the square is 3 feet, then find the acute angle of elevation.
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| c The line joining the viewer's eye to the object viewed is called a _____________. c |
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c The angle of an object at which it is seen, when the object is above the level of the eye, is called ________________.
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| c The angle of an object at which it is seen, when the object is below the level of the eye, is called _____________________. c |
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| c The angle formed by a horizontal line and the line of sight above the horizontal line is called ________________________. c |
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c Which line represents the height of the object in the figure?
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| c The angle formed by a horizontal line and the line of sight below the horizontal line is called _______________________. c |
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c The angle of elevation or angle of depression of an object is the angle formed by the line joining eye to the object and _________.
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c Both the angle of elevation and the angle of depression are measured with respect to the ___________ line.
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| c Find the value of y in the figure and round it to the nearest hundredth, if angle of depression is 45°. c |
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c Find the angle of elevation of the sun when the length of the shadow of a pole is 3 times the height of the pole.
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| c A kite is flying with the string inclined at 60o to the horizon. What is the height of the kite above the ground, when the string is 30 m long? c |
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c A vertical flagstaff stands on a horizontal plane, from a point 70 m away from its foot. If the angle of elevation of its top is found to be 60o, what is the height of the flagstaff?
c |
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| c The upper part of a pole broken over by wind makes an angle 30o with the ground and touches the ground at a distance 25 feet. What is the height of the pole? c |
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| c Which of the following is the angle of depression in the figure? c |
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c From the top of a house, 40 m high, the angle of elevation of a tower is found to be equal to the angle of depression of the foot of the tower. Find the height of the tower.
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c From the top of a house, 35 m high, the angle of elevation of a tower is found to be equal to the angle of depression of the foot of the tower. Find the height of the tower.
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c The angles of elevation of the top of a tower from the top and bottom of a 60 m high building are 30o and 60o. What is the height of the tower?
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