document.write( "Question 84600: Betty observed that the lamp post in front of her house casts a shadow of length 8 feet when the angle of inclination of the sun is 60 degrees. How tall is the lamp post? (In a 30-60-90 right triangle, the side opposite 30 is one-half the length of the hypotenuse.) \n" ); document.write( "
Algebra.Com's Answer #62744 by Flake(45)![]() ![]() ![]() You can put this solution on YOUR website! ---1st hint is that use a 30-60-90 triangle.\r \n" ); document.write( "\n" ); document.write( "Draw and 30-60-90 triangle \n" ); document.write( "length of Shadow is 8 feet when the angle of inclination of the sun is 60. \n" ); document.write( "This means base of your triangle is 8 and 60 degree is on bottom and 30 degree is on top.\r \n" ); document.write( "\n" ); document.write( "---2nd hint is the side opposite 30 degrees is one-half the length of the hypotenuse. \n" ); document.write( "Hypotenuse = C \n" ); document.write( "So C/2 = 8\r \n" ); document.write( "\n" ); document.write( "---Now solve with |