document.write( "Question 160591This question is from textbook Basic Technical Mathematics
\n" ); document.write( ": The distance from the ground level to the underside of a cloud is called the ceiling.A ground observer 950 m from a searchlight aimed vertically notes that the angle of elevation of the spot of light on a cloud is 76 degrees. What is the ceiling? \n" ); document.write( "
Algebra.Com's Answer #118405 by MathLover1(20850)\"\" \"About 
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The \"angle\" of \"elevation\" of an object as seen by an observer is the angle between the horizontal and the line from the object to the observer's eye (the line of sight).\r
\n" ); document.write( "\n" ); document.write( "The distance from the ground level to the underside of a cloud is called the ceiling. A ground observer \"950+m\" from a searchlight aimed vertically notes that the angle of elevation of the spot of light on a cloud is \"76+\"degrees. What is the ceiling?\r
\n" ); document.write( "\n" ); document.write( "Solution:\r
\n" ); document.write( "\n" ); document.write( "In the right-angled triangle ABC,\r
\n" ); document.write( "\n" ); document.write( "\"tan%28A%29=oppositeside%2Fadjacentside\"\r
\n" ); document.write( "\n" ); document.write( "\"tan+76=+h%2F950m\"….make \"h\" the subject\r
\n" ); document.write( "\n" ); document.write( "\"tan+76%2A950m=+h%2A950m%2F950m\"\r
\n" ); document.write( "\n" ); document.write( "\"h+=+tan+76%2A950m\"\r
\n" ); document.write( "\n" ); document.write( "\"h+=+4.01078093353585%2A950m\"\r
\n" ); document.write( "\n" ); document.write( "\"h+=+3810.24m\"\r
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