document.write( "Question 62052: betty observed that the lamp post in front of her house cast 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 1/2 the length of the hypotenuse. \n" ); document.write( "
Algebra.Com's Answer #42803 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The base of the triangle is 8. The bottom left angle is 60 degrees. You want the know the opposite side. \n" ); document.write( "tan(60 degrees) = x/8 \n" ); document.write( "8*tan(60 degrees) = x \n" ); document.write( "The lamp post is about 13.86 feet. \n" ); document.write( " |